6QBX

Ovine respiratory supercomplex I+III2 closed class.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
V [auth V2]	SCOP2B Superfamily	Thioredoxin-like	8100908	3000031	SCOP2B (2022-06-29)
DA [auth S4]	SCOP2B Superfamily	NADH-ubiquinone oxidoreductase-like	8053980	3002258	SCOP2B (2022-06-29)
MA [auth D3]	SCOP2B Superfamily	NADH-quinone oxidoreductase, subunit 11-like	8106704	3002200	SCOP2B (2022-06-29)
NA [auth D1]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8054146	3002280	SCOP2B (2022-06-29)
OA [auth D6]	SCOP2B Superfamily	NADH-quinone oxidoreductase, subunit 11-like	8053518	3002200	SCOP2B (2022-06-29)
PA [auth 4L]	SCOP2B Superfamily	NADH-quinone oxidoreductase, subunit 11-like	8053514	3002200	SCOP2B (2022-06-29)
QA [auth D5]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8047664	3002280	SCOP2B (2022-06-29)
QA [auth D5]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8048258	3002280	SCOP2B (2022-06-29)
RA [auth D4]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8054155	3002280	SCOP2B (2022-06-29)
RA [auth D4]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8048501	3002280	SCOP2B (2022-06-29)
SA [auth D2]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8054160	3002280	SCOP2B (2022-06-29)
SA [auth D2]	SCOP2B Superfamily	Antiporter subunits half-channel-like	8047670	3002280	SCOP2B (2022-06-29)
F [auth d1]	SCOP2B Superfamily	14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8068579	3000797	SCOP2B (2022-06-29)
P [auth d2]	SCOP2B Superfamily	14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	8068579	3000797	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth a1]	Peptidase_M16_C	e6qbxa12	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: Peptidase_M16_C	ECOD (1.6)
A [auth a1]	Peptidase_M16	e6qbxa11	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: Peptidase_M16	ECOD (1.6)
K [auth a3]	Peptidase_M16_C	e6qbxa32	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: Peptidase_M16_C	ECOD (1.6)
K [auth a3]	Peptidase_M16	e6qbxa31	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: Peptidase_M16	ECOD (1.6)
J [auth i1]	UCR_UQCRX_QCR9	e6qbxi11	A: extended segments	X: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: UCR_UQCRX_QCR9	ECOD (1.6)
T [auth i2]	UCR_UQCRX_QCR9	e6qbxi21	A: extended segments	X: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: UCR_UQCRX_QCR9	ECOD (1.6)
U [auth V1]	NADH_4Fe-4S	e6qbxV11	A: alpha bundles	X: Bromodomain-like	H: Nqo1C-terminal domain-like (From Topology)	T: Nqo1C-terminal domain-like	F: NADH_4Fe-4S	ECOD (1.6)
U [auth V1]	SLBB	e6qbxV12	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Nqo1 middle domain-like	F: SLBB	ECOD (1.6)
U [auth V1]	Complex1_51K	e6qbxV13	A: a/b three-layered sandwiches	X: Nqo1 FMN-binding domain-like (From Topology)	H: Nqo1 FMN-binding domain-like (From Topology)	T: Nqo1 FMN-binding domain-like	F: Complex1_51K	ECOD (1.6)
V [auth V2]	2Fe-2S_thioredx_N	e6qbxV22	A: alpha bundles	X: NQO2 helical bundle domain (From Topology)	H: NQO2 helical bundle domain (From Topology)	T: NQO2 helical bundle domain	F: 2Fe-2S_thioredx_N	ECOD (1.6)
V [auth V2]	2Fe-2S_thioredx_C	e6qbxV21	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: 2Fe-2S_thioredx_C	ECOD (1.6)
W [auth S1]	PRK09129	e6qbxS15	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PRK09129	ECOD (1.6)
W [auth S1]	Fer2_4	e6qbxS14	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2_4	ECOD (1.6)
W [auth S1]	Molybdop_Fe4S4_1	e6qbxS11	A: a+b two layers	X: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	H: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domain 1	F: Molybdop_Fe4S4_1	ECOD (1.6)
W [auth S1]	Molybdopterin_2nd	e6qbxS12	A: a/b three-layered sandwiches	X: Rossmann-like	H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domains 2 and 3	F: Molybdopterin_2nd	ECOD (1.6)
W [auth S1]	Molybdopterin_1st	e6qbxS13	A: a/b three-layered sandwiches	X: Rossmann-like	H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domains 2 and 3	F: Molybdopterin_1st	ECOD (1.6)
W [auth S1]	NADH-G_4Fe-4S_3	e6qbxS16	A: extended segments	X: iron-sulfur center-binding helical hairpin (From Topology)	H: iron-sulfur center-binding helical hairpin (From Topology)	T: iron-sulfur center-binding helical hairpin	F: NADH-G_4Fe-4S_3	ECOD (1.6)
Y [auth S3]	Complex1_30kDa	e6qbxS31	A: a+b two layers	X: Nqo5-like	H: Nqo5-like (From Topology)	T: Nqo5-like	F: Complex1_30kDa	ECOD (1.6)
Z [auth S7]	Oxidored_q6	e6qbxS71	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Oxidored_q6	ECOD (1.6)
AA [auth S8]	Fer4_21_1	e6qbxS81	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: Fer4_21_1	ECOD (1.6)
CA [auth S6]	zf-CHCC	e6qbxS61	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Cytochrome c oxidase Subunit F	F: zf-CHCC	ECOD (1.6)
B [auth a2]	Peptidase_M16_C	e6qbxa22	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: Peptidase_M16_C	ECOD (1.6)
B [auth a2]	Peptidase_M16	e6qbxa21	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: Peptidase_M16	ECOD (1.6)
L [auth a4]	Peptidase_M16_C	e6qbxa41	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: Peptidase_M16_C	ECOD (1.6)
L [auth a4]	Peptidase_M16	e6qbxa42	A: a+b two layers	X: LuxS, MPP, ThrRS/AlaRS common domain	H: LuxS, MPP, ThrRS/AlaRS common domain	T: LuxS/MPP-like metallohydrolase	F: Peptidase_M16	ECOD (1.6)
DA [auth S4]	ETC_C1_NDUFA4	e6qbxS41	A: a+b two layers	X: Putative oxidoreductase (From Topology)	H: Putative oxidoreductase (From Topology)	T: Putative oxidoreductase	F: ETC_C1_NDUFA4	ECOD (1.6)
EA [auth A9]	NAD_binding_10	e6qbxA91	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: NAD_binding_10	ECOD (1.6)
FA [auth A2]	L51_S25_CI-B8	e6qbxA21	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: L51_S25_CI-B8	ECOD (1.6)
GA [auth A5]	ETC_C1_NDUFA5	e6qbxA51	A: extended segments	X: FATC domain (From Topology)	H: FATC domain (From Topology)	T: FATC domain	F: ETC_C1_NDUFA5	ECOD (1.6)
HA [auth A6]	Complex1_LYR	e6qbxA61	A: alpha bundles	X: LYR protein (From Topology)	H: LYR protein (From Topology)	T: LYR protein	F: Complex1_LYR	ECOD (1.6)
JA [auth AL]	NDUFA12	e6qbxAL1	A: a+b three layers	X: Mitochondrial complex I, B17.2 subunit (From Topology)	H: Mitochondrial complex I, B17.2 subunit (From Topology)	T: Mitochondrial complex I, B17.2 subunit	F: NDUFA12	ECOD (1.6)
KA [auth AA]	PP-binding	e6qbxAA1	A: alpha bundles	X: ACP-like	H: Acyl-carrier protein (ACP) (From Topology)	T: Acyl-carrier protein (ACP)	F: PP-binding	ECOD (1.6)
VA [auth AB]	PP-binding	e6qbxAB1	A: alpha bundles	X: ACP-like	H: Acyl-carrier protein (ACP) (From Topology)	T: Acyl-carrier protein (ACP)	F: PP-binding	ECOD (1.6)
LA [auth AM]	GRIM-19	e6qbxAM1	A: extended segments	X: Mitochondrial complex I, B16.6 subunit (From Topology)	H: Mitochondrial complex I, B16.6 subunit (From Topology)	T: Mitochondrial complex I, B16.6 subunit	F: GRIM-19	ECOD (1.6)
MA [auth D3]	Oxidored_q4	e6qbxD31	A: extended segments	X: NADH-quinone oxidoreductase subunit A (From Topology)	H: NADH-quinone oxidoreductase subunit A (From Topology)	T: NADH-quinone oxidoreductase subunit A	F: Oxidored_q4	ECOD (1.6)
C [auth b1]	Cytochrom_B_C	e6qbxb12	A: alpha bundles	X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: Cytochrom_B_C	ECOD (1.6)
C [auth b1]	Cytochrome_B	e6qbxb11	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle (From Homology)	H: Transmembrane heme-binding four-helical bundle	T: Transmembrane di-heme cytochromes	F: Cytochrome_B	ECOD (1.6)
M [auth b2]	Cytochrom_B_C	e6qbxb22	A: alpha bundles	X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: Cytochrom_B_C	ECOD (1.6)
M [auth b2]	Cytochrome_B	e6qbxb21	A: alpha bundles	X: Transmembrane heme-binding four-helical bundle (From Homology)	H: Transmembrane heme-binding four-helical bundle	T: Transmembrane di-heme cytochromes	F: Cytochrome_B	ECOD (1.6)
NA [auth D1]	NADHdh	e6qbxD11	A: alpha complex topology	X: Sodium/proton antiporter subunits-like (From Homology)	H: Sodium/proton antiporter subunits-like	T: NADH-quinone oxidoreductase subunit 8 (Nqo8)-related	F: NADHdh	ECOD (1.6)
OA [auth D6]	Oxidored_q3_1	e6qbxD61	A: extended segments	X: NADH-quinone oxidoreductase subunit J (From Topology)	H: NADH-quinone oxidoreductase subunit J (From Topology)	T: NADH-quinone oxidoreductase subunit J	F: Oxidored_q3_1	ECOD (1.6)
PA [auth 4L]	Oxidored_q2	e6qbx4L1	A: alpha complex topology	X: NADH-quinone oxidoreductase subunit K (From Topology)	H: NADH-quinone oxidoreductase subunit K (From Topology)	T: NADH-quinone oxidoreductase subunit K	F: Oxidored_q2	ECOD (1.6)
QA [auth D5]	Proton_antipo_M	e6qbxD51	A: alpha complex topology	X: Sodium/proton antiporter subunits-like (From Homology)	H: Sodium/proton antiporter subunits-like	T: NADH-quinone oxidoreductase subunit L (NuoL)-related	F: Proton_antipo_M	ECOD (1.6)
RA [auth D4]	Proton_antipo_M	e6qbxD41	A: alpha complex topology	X: Sodium/proton antiporter subunits-like (From Homology)	H: Sodium/proton antiporter subunits-like	T: NADH-quinone oxidoreductase subunit L (NuoL)-related	F: Proton_antipo_M	ECOD (1.6)
SA [auth D2]	Proton_antipo_M	e6qbxD21	A: alpha complex topology	X: Sodium/proton antiporter subunits-like (From Homology)	H: Sodium/proton antiporter subunits-like	T: NADH-quinone oxidoreductase subunit L (NuoL)-related	F: Proton_antipo_M	ECOD (1.6)
UA [auth B5]	NDUF_B5	e6qbxB51	A: extended segments	X: Mitochondrial complex I, SGDH subunit (From Topology)	H: Mitochondrial complex I, SGDH subunit (From Topology)	T: Mitochondrial complex I, SGDH subunit	F: NDUF_B5	ECOD (1.6)
WA [auth A8]	CHCH	e6qbxA81	A: few secondary structure elements	X: p8-MTCP1-related (From Topology)	H: p8-MTCP1-related (From Topology)	T: p8-MTCP1-related	F: CHCH	ECOD (1.6)
XA [auth BJ]	NDUFB10	e6qbxBJ1	A: alpha bundles	X: Mitochondrial complex I, PDSW subunit (From Topology)	H: Mitochondrial complex I, PDSW subunit (From Topology)	T: Mitochondrial complex I, PDSW subunit	F: NDUFB10	ECOD (1.6)
D [auth c1]	Cytochrom_C1_N	e6qbxc11	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: Cytochrom_C1_N	ECOD (1.6)
D [auth c1]	Cytochrom_C1_C	e6qbxc12	A: extended segments	X: cytochrome c1 transmembrane anchor (From Topology)	H: cytochrome c1 transmembrane anchor (From Topology)	T: cytochrome c1 transmembrane anchor	F: Cytochrom_C1_C	ECOD (1.6)
N [auth c2]	Cytochrom_C1_N	e6qbxc21	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: Cytochrom_C1_N	ECOD (1.6)
N [auth c2]	Cytochrom_C1_C	e6qbxc22	A: extended segments	X: cytochrome c1 transmembrane anchor (From Topology)	H: cytochrome c1 transmembrane anchor (From Topology)	T: cytochrome c1 transmembrane anchor	F: Cytochrom_C1_C	ECOD (1.6)
YA [auth AJ]	dNK_2	e6qbxAJ1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: dNK_2	ECOD (1.6)
ZA [auth S5]	Ndufs5	e6qbxS51	A: alpha bundles	X: cytochrome bc1 complex 11 kDa protein-like	H: CHCH domain (From Topology)	T: CHCH domain	F: Ndufs5	ECOD (1.6)
AB [auth A3]	NADHdh_A3	e6qbxA31	A: extended segments	X: Mitochondrial complex I, B9 subunit (From Topology)	H: Mitochondrial complex I, B9 subunit (From Topology)	T: Mitochondrial complex I, B9 subunit	F: NADHdh_A3	ECOD (1.6)
CB [auth C2]	NDUF_C2	e6qbxC21	A: extended segments	X: Mitochondrial complex I, B14.5b subunit (From Topology)	H: Mitochondrial complex I, B14.5b subunit (From Topology)	T: Mitochondrial complex I, B14.5b subunit	F: NDUF_C2	ECOD (1.6)
GB [auth B9]	Complex1_LYR	e6qbxB91	A: alpha bundles	X: LYR protein (From Topology)	H: LYR protein (From Topology)	T: LYR protein	F: Complex1_LYR	ECOD (1.6)
HB [auth B2]	NADH_B2	e6qbxB21	A: extended segments	X: Mitochondrial complex I, AGGG subunit (From Topology)	H: Mitochondrial complex I, AGGG subunit (From Topology)	T: Mitochondrial complex I, AGGG subunit	F: NADH_B2	ECOD (1.6)
E [auth f1]	Rieske_cytochrome_bc1,Rieske_6	e6qbxf11	A: beta sandwiches	X: ISP domain (From Topology)	H: ISP domain (From Topology)	T: ISP domain	F: Rieske_cytochrome_bc1,Rieske_6	ECOD (1.6)
E [auth f1]	UCR_TM	e6qbxf12	A: extended segments	X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)	H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)	T: iron-sulfur subunit (ISP) transmembrane anchor	F: UCR_TM	ECOD (1.6)
O [auth f2]	Rieske_cytochrome_bc1,Rieske_6	e6qbxf21	A: beta sandwiches	X: ISP domain (From Topology)	H: ISP domain (From Topology)	T: ISP domain	F: Rieske_cytochrome_bc1,Rieske_6	ECOD (1.6)
O [auth f2]	UCR_TM	e6qbxf22	A: extended segments	X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)	H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)	T: iron-sulfur subunit (ISP) transmembrane anchor	F: UCR_TM	ECOD (1.6)
KB [auth C1]	NADH_dh_m_C1	e6qbxC11	A: extended segments	X: Mitochondrial complex I, KFYI subunit (From Topology)	H: Mitochondrial complex I, KFYI subunit (From Topology)	T: Mitochondrial complex I, KFYI subunit	F: NADH_dh_m_C1	ECOD (1.6)
LB [auth B1]	NADH_oxidored	e6qbxB11	A: extended segments	X: Mitochondrial complex I, MNLL subunit (From Topology)	H: Mitochondrial complex I, MNLL subunit (From Topology)	T: Mitochondrial complex I, MNLL subunit	F: NADH_oxidored	ECOD (1.6)
MB [auth A1]	MWFE	e6qbxA11	A: extended segments	X: Mitochondrial complex I, MWFE subunit (From Topology)	H: Mitochondrial complex I, MWFE subunit (From Topology)	T: Mitochondrial complex I, MWFE subunit	F: MWFE	ECOD (1.6)
F [auth d1]	UCR_14kD	e6qbxd11	A: alpha arrays	X: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: UCR_14kD	ECOD (1.6)
P [auth d2]	UCR_14kD	e6qbxd21	A: alpha arrays	X: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: UCR_14kD	ECOD (1.6)
G [auth q1]	UcrQ	e6qbxq11	A: extended segments	X: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: UcrQ	ECOD (1.6)
Q [auth q2]	UcrQ	e6qbxq21	A: extended segments	X: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	H: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: UcrQ	ECOD (1.6)
H [auth h1]	UCR_hinge	e6qbxh11	A: alpha bundles	X: cytochrome bc1 complex 11 kDa protein-like	H: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: UCR_hinge	ECOD (1.6)
R [auth h2]	UCR_hinge	e6qbxh21	A: alpha bundles	X: cytochrome bc1 complex 11 kDa protein-like	H: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology)	T: Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)	F: UCR_hinge	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
U [auth V1]	PF22461	SLBB domain (SLBB_2)	SLBB domain	This entry represents a set of SLBB domains [5].	Domain
U [auth V1]	PF01512	Respiratory-chain NADH dehydrogenase 51 Kd subunit (Complex1_51K)	Respiratory-chain NADH dehydrogenase 51 Kd subunit	-	Family
U [auth V1]	PF10589	NADH-ubiquinone oxidoreductase-F iron-sulfur binding region (NADH_4Fe-4S)	NADH-ubiquinone oxidoreductase-F iron-sulfur binding region	-	Domain
V [auth V2]	PF01257	Thioredoxin-like [2Fe-2S] ferredoxin (2Fe-2S_thioredx)	Thioredoxin-like [2Fe-2S] ferredoxin	-	Family
Y [auth S3]	PF00329	Respiratory-chain NADH dehydrogenase, 30 Kd subunit (Complex1_30kDa)	Respiratory-chain NADH dehydrogenase, 30 Kd subunit	-	Family
DA [auth S4]	PF04800	NADH dehydrogenase ubiquinone Fe-S protein 4 (NDUS4)	NADH dehydrogenase ubiquinone Fe-S protein 4	-	Family
HA [auth A6]	PF05347	Complex 1 protein (LYR family) (Complex1_LYR)	Complex 1 protein (LYR family)	-	Family
IA [auth A7]	PF07347	NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a) (CI-B14_5a)	NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a)	-	Family
KA [auth AA], VA [auth AB]	PF00550	Phosphopantetheine attachment site (PP-binding)	Phosphopantetheine attachment site	A 4'-phosphopantetheine prosthetic group is attached through a serine. This prosthetic group acts as a a 'swinging arm' for the attachment of activated fatty acid and amino-acid groups. This domain forms a four helix bundle. This family includes memb ...	A 4'-phosphopantetheine prosthetic group is attached through a serine. This prosthetic group acts as a a 'swinging arm' for the attachment of activated fatty acid and amino-acid groups. This domain forms a four helix bundle. This family includes members not included in Prosite. The inclusion of these members is supported by sequence analysis and functional evidence. The related domain of Swiss:P19828 has the attachment serine replaced by an alanine.	Domain
MA [auth D3]	PF00507	NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4)	NADH-ubiquinone/plastoquinone oxidoreductase, chain 3	-	Family
NA [auth D1]	PF00146	NADH dehydrogenase (NADHdh)	NADH dehydrogenase	-	Family
OA [auth D6]	PF00499	NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3)	NADH-ubiquinone/plastoquinone oxidoreductase chain 6	-	Family
PA [auth 4L]	PF00420	NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2)	NADH-ubiquinone/plastoquinone oxidoreductase chain 4L	-	Family
QA [auth D5]	PF00361	Proton-conducting membrane transporter (Proton_antipo_M)	Proton-conducting membrane transporter	-	Family
QA [auth D5]	PF06455	NADH dehydrogenase subunit 5 C-terminus (NADH5_C)	NADH dehydrogenase subunit 5 C-terminus	-	Family
QA [auth D5]	PF00662	NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus (Proton_antipo_N)	NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus	-	Family
RA [auth D4]	PF00361	Proton-conducting membrane transporter (Proton_antipo_M)	Proton-conducting membrane transporter	-	Family
RA [auth D4]	PF01059	NADH-ubiquinone oxidoreductase chain 4, amino terminus (Oxidored_q5_N)	NADH-ubiquinone oxidoreductase chain 4, amino terminus	-	Family
SA [auth D2]	PF00361	Proton-conducting membrane transporter (Proton_antipo_M)	Proton-conducting membrane transporter	-	Family
SA [auth D2]	PF06444	NADH dehydrogenase subunit 2 C-terminus (NADH_dehy_S2_C)	NADH dehydrogenase subunit 2 C-terminus	-	Family
AB [auth A3]	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family
CB [auth C2]	PF06374	NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) (NDUF_C2)	NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2)	-	Family
DB [auth B4]	PF07225	NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) (NDUF_B4)	NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4)	-	Family
EB [auth B6]	PF09782	NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit (NDUF_B6)	NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit	-	Family
HB [auth B2]	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB	-	Domain
LB [auth B1]	PF00033	Cytochrome b/b6/petB (Cytochrome_B)	Cytochrome b/b6/petB	-	Domain
MB [auth A1]	PF00675	Insulinase (Peptidase family M16) (Peptidase_M16)	Insulinase (Peptidase family M16)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth a1], K [auth a3]	Ubiquinol-cytochrome c reductase core protein 1	ubiquitin protein ligase binding protein binding binding ubiquitin-like protein ligase binding enzyme binding cation binding ion binding metal ion binding small molecule binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	-
J [auth i1], T [auth i2]	Ubiquinol-cytochrome c reductase, complex III subunit X	-	-	-
U [auth V1]	NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial	binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity NAD binding purine nucleotide binding adenyl nucleotide binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding cation binding metal ion binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	-
V [auth V2]	NDUFV2	iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity cation binding ion binding metal ion binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	-
W [auth S1]	NADH:ubiquinone oxidoreductase core subunit S1	-	-	-
X [auth S2]	NDUFS2	-	-	-
Y [auth S3]	NADH:ubiquinone oxidoreductase core subunit S3	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity	-	-
Z [auth S7]	NDUFS7	-	-	-
AA [auth S8]	NDUFS8	-	-	-
BA [auth V3]	NDUFV3	-	-	-
CA [auth S6]	NDUFS6	-	-	-
B [auth a2], L [auth a4]	Ubiquinol-cytochrome c reductase core protein 2	-	-	-
DA [auth S4]	NADH:ubiquinone oxidoreductase subunit S4	-	cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane
EA [auth A9]	NADH:ubiquinone oxidoreductase subunit A9	-	-	-
FA [auth A2]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2	-	-	-
GA [auth A5]	NDUFA5	-	-	-
HA [auth A6]	NADH:ubiquinone oxidoreductase subunit A6	-	protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization response to oxidative stress protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization response to oxidative stress response to stimulus response to stress	-
IA [auth A7]	NDUFA7	-	aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy respiratory electron transport chain metabolic process cellular process	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane
JA [auth AL]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12	-	-	-
KA [auth AA], VA [auth AB]	Acyl carrier protein	phosphopantetheine-dependent carrier activity prosthetic group binding binding acyl carrier activity molecular carrier activity ACP phosphopantetheine attachment site binding acyl binding small molecule binding	-	-
LA [auth AM]	NDUFA13	-	-	-
MA [auth D3]	NADH-ubiquinone oxidoreductase chain 3	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane
C [auth b1], M [auth b2]	Cytochrome b	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity oxidoreductase activity, acting on diphenols and related substances as donors primary active transmembrane transporter activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity ubiquinol-cytochrome-c reductase activity catalytic activity transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	-
NA [auth D1]	NADH-ubiquinone oxidoreductase chain 1	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	-
OA [auth D6]	NADH-ubiquinone oxidoreductase chain 6	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity	protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane
PA [auth 4L]	NADH-ubiquinone oxidoreductase chain 4L	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity	aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy respiratory electron transport chain metabolic process cellular process	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane respiratory chain complex protein-containing complex catalytic complex membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex
QA [auth D5]	NADH-ubiquinone oxidoreductase chain 5	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization energy coupled proton transmembrane transport, against electrochemical gradient monoatomic ion transport cellular process monoatomic cation transport electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization energy coupled proton transmembrane transport, against electrochemical gradient monoatomic ion transport cellular process monoatomic cation transport protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane
RA [auth D4]	NADH-ubiquinone oxidoreductase chain 4	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity	protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane
SA [auth D2]	NADH-ubiquinone oxidoreductase chain 2	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor electron transfer activity active monoatomic ion transmembrane transporter activity oxidoreductase activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity	protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization cellular metabolic process protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization cellular metabolic process reactive oxygen species metabolic process metabolic process aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane
TA [auth AK]	NDUFA11	-	-	-
UA [auth B5]	NADH:ubiquinone oxidoreductase subunit B5	-	-	-
WA [auth A8]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 8	-	-	-
XA [auth BJ]	NDUFB10	-	-	-
D [auth c1], N [auth c2]	Cytochrome c1	-	-	-
YA [auth AJ]	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 10, mitochondrial	-	-	-
ZA [auth S5]	NADH:ubiquinone oxidoreductase subunit S5	-	-	-
AB [auth A3]	NADH:ubiquinone oxidoreductase subunit A3	-	-	-
BB [auth B3]	NADH:ubiquinone oxidoreductase subunit B3	-	-	-
CB [auth C2]	NADH dehydrogenase [ubiquinone] 1 subunit C2	-	protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	-
DB [auth B4]	NADH:ubiquinone oxidoreductase subunit B4	-	-	-
EB [auth B6]	NDUFB6	-	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	-
FB [auth B7]	NADH:ubiquinone oxidoreductase subunit B7	-	-	-
GB [auth B9]	NADH:ubiquinone oxidoreductase subunit B9	-	-	-
HB [auth B2]	NADH:ubiquinone oxidoreductase subunit B2	-	-	-
E [auth f1], O [auth f2]	Cytochrome b-c1 complex subunit Rieske, mitochondrial	-	-	-
IB [auth B8]	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, mitochondrial	-	protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration protein-containing complex organization mitochondrial respirasome assembly NADH dehydrogenase complex assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly cellular process cellular component organization or biogenesis mitochondrial respiratory chain complex I assembly mitochondrion organization aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain metabolic process mitochondrial ATP synthesis coupled electron transport	-
JB [auth BK]	NDUFB11	-	-	-
KB [auth C1]	NDUFC1	-	-	-
LB [auth B1]	NDUFB1	-	-	-
MB [auth A1]	NDUFA1	-	-	-
F [auth d1], P [auth d2]	Cytochrome b-c1 complex subunit 7	-	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	-
G [auth q1], Q [auth q2]	Ubiquinol-cytochrome c reductase complex III subunit VII	-	aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, ubiquinol to cytochrome c respiratory electron transport chain metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	-
H [auth h1], R [auth h2]	Cytochrome b-c1 complex subunit 6	-	-	-
I [auth x1], S [auth x2]	UQCRFS1N	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth a1], K [auth a3]	IPR007863	Peptidase M16, C-terminal	Domain
A [auth a1], K [auth a3]	IPR011765	Peptidase M16, N-terminal	Domain
A [auth a1], K [auth a3]	IPR011249	Metalloenzyme, LuxS/M16 peptidase-like	Homologous Superfamily
A [auth a1], K [auth a3]	IPR050361	Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase Complex	Family
U [auth V1]	IPR019575	NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain	Domain
U [auth V1]	IPR011537	NADH ubiquinone oxidoreductase, F subunit	Family
U [auth V1]	IPR001949	NADH:ubiquinone oxidoreductase, 51kDa subunit, conserved site	Conserved Site
U [auth V1]	IPR037225	NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain superfamily	Homologous Superfamily
U [auth V1]	IPR037207	NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain superfamily	Homologous Superfamily
U [auth V1]	IPR011538	NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain	Domain
U [auth V1]	IPR050837	Complex I 51 kDa subunit	Family
V [auth V2]	IPR042128	NuoE domain	Domain
V [auth V2]	IPR002023	NADH-quinone oxidoreductase subunit E-like	Family
V [auth V2]	IPR041921	NADH-quinone oxidoreductase subunit E, N-terminal	Homologous Superfamily
V [auth V2]	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily
Y [auth S3]	IPR037232	NADH:ubiquinone oxidoreductase, 30kDa subunit superfamily	Homologous Superfamily
Y [auth S3]	IPR001268	NADH:ubiquinone oxidoreductase, 30kDa subunit	Domain
Y [auth S3]	IPR020396	NADH:ubiquinone oxidoreductase, 30kDa subunit, conserved site	Conserved Site
Y [auth S3]	IPR010218	NADH dehydrogenase, subunit C	Family
DA [auth S4]	IPR038532	NADH dehydrogenase ubiquinone Fe-S protein 4-like superfamily	Homologous Superfamily
DA [auth S4]	IPR006885	NADH dehydrogenase ubiquinone Fe-S protein 4 mitochondrial-like	Family
HA [auth A6]	IPR016488	NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 6	Family
HA [auth A6]	IPR008011	Complex 1 LYR protein domain	Domain
HA [auth A6]	IPR045299	NDUFA6, LYR domain	Domain
IA [auth A7]	IPR009947	NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7	Family
KA [auth AA], VA [auth AB]	IPR006162	Phosphopantetheine attachment site	PTM
KA [auth AA], VA [auth AB]	IPR009081	Phosphopantetheine binding ACP domain	Domain
KA [auth AA], VA [auth AB]	IPR036736	ACP-like superfamily	Homologous Superfamily
KA [auth AA], VA [auth AB]	IPR003231	Acyl carrier protein	Family
MA [auth D3]	IPR000440	NADH:ubiquinone/plastoquinone oxidoreductase, chain 3	Family
MA [auth D3]	IPR038430	NADH:ubiquinone oxidoreductase, subunit 3 superfamily	Homologous Superfamily
C [auth b1], M [auth b2]	IPR036150	Cytochrome b/b6, C-terminal domain superfamily	Homologous Superfamily
C [auth b1], M [auth b2]	IPR027387	Cytochrome b/b6-like domain superfamily	Homologous Superfamily
C [auth b1], M [auth b2]	IPR016174	Di-haem cytochrome, transmembrane	Homologous Superfamily
C [auth b1], M [auth b2]	IPR005798	Cytochrome b/b6, C-terminal	Domain
C [auth b1], M [auth b2]	IPR048259	Cytochrome b/b6, N-terminal domain, eukaryotic/bacterial	Domain
C [auth b1], M [auth b2]	IPR030689	Cytochrome b	Family
C [auth b1], M [auth b2]	IPR048260	Cytochrome b/b6, C-terminal domain, eukaryotic/bacterial	Domain
C [auth b1], M [auth b2]	IPR005797	Cytochrome b/b6, N-terminal domain	Domain
NA [auth D1]	IPR001694	NADH:ubiquinone oxidoreductase, subunit 1/F420H2 oxidoreductase subunit H	Family
NA [auth D1]	IPR018086	NADH:ubiquinone oxidoreductase, subunit 1, conserved site	Conserved Site
OA [auth D6]	IPR050269	Complex I Subunit 6	Family
OA [auth D6]	IPR042106	NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJ	Homologous Superfamily
OA [auth D6]	IPR001457	NADH:ubiquinone/plastoquinone oxidoreductase, chain 6	Family
PA [auth 4L]	IPR001133	NADH-ubiquinone oxidoreductase chain 4L/K	Family
PA [auth 4L]	IPR039428	NADH-ubiquinone oxidoreductase chain 4L/Mnh complex subunit C1-like	Family
QA [auth D5]	IPR003945	NADH-quinone oxidoreductase, chain 5-like	Family
QA [auth D5]	IPR010934	NADH dehydrogenase subunit 5, C-terminal	Domain
QA [auth D5]	IPR001516	NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminal	Domain
QA [auth D5]	IPR001750	NADH:quinone oxidoreductase/Mrp antiporter, membrane subunit	Domain
QA [auth D5]	IPR018393	NADH-plastoquinone oxidoreductase, chain 5 subgroup	Family
RA [auth D4]	IPR003918	NADH:ubiquinone oxidoreductase	Family
RA [auth D4]	IPR010227	NADH-quinone oxidoreductase, chain M/4	Family
RA [auth D4]	IPR000260	NADH:ubiquinone oxidoreductase chain 4, N-terminal	Domain
RA [auth D4]	IPR001750	NADH:quinone oxidoreductase/Mrp antiporter, membrane subunit	Domain
SA [auth D2]	IPR010933	NADH dehydrogenase subunit 2, C-terminal	Domain
SA [auth D2]	IPR003917	NADH:ubiquinone oxidoreductase, chain 2	Family
SA [auth D2]	IPR050175	Complex I Subunit 2	Family
SA [auth D2]	IPR001750	NADH:quinone oxidoreductase/Mrp antiporter, membrane subunit	Domain
CB [auth C2]	IPR009423	NADH dehydrogenase [ubiquinone] 1 subunit C2, NDUC2	Family
DB [auth B4]	IPR009866	NADH:ubiquinone oxidoreductase, subunit NDUFB4	Family
EB [auth B6]	IPR019174	NADH dehydrogenase 1, beta subcomplex, subunit 6	Family
IB [auth B8]	IPR008699	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8	Family
IB [auth B8]	IPR016551	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8, metazoa	Family
LB [auth B1]	IPR012575	NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1, NDUB1	Family
F [auth d1], P [auth d2]	IPR003197	Cytochrome b-c1 complex subunit 7	Family
F [auth d1], P [auth d2]	IPR036544	Cytochrome b-c1 complex subunit 7 superfamily	Homologous Superfamily
G [auth q1], Q [auth q2]	IPR004205	Cytochrome b-c1 complex subunit 8	Family
G [auth q1], Q [auth q2]	IPR036642	Cytochrome b-c1 complex subunit 8 superfamily	Homologous Superfamily

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
C [auth b1], CB [auth C2], DA [auth S4], DB [auth B4], EB [auth B6] C [auth b1], CB [auth C2], DA [auth S4], DB [auth B4], EB [auth B6], F [auth d1], G [auth q1], HA [auth A6], IA [auth A7], IB [auth B8], LB [auth B1], M [auth b2], MA [auth D3], NA [auth D1], OA [auth D6], P [auth d2], PA [auth 4L], Q [auth q2], QA [auth D5], RA [auth D4], SA [auth D2], U [auth V1]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Electron Transport Chain Supercomplexes (Respirasome)	Electron Transport Chain (ETC) Super Complex I+III₂, closed class