Annotations: 7ARC

Cryo-EM structure of Polytomella Complex-I (peripheral arm)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
C [auth D]	SCOP2 Family	Nqo4-like	8107137	4000433	SCOP2 (2022-06-29)
C [auth D]	SCOP2 Superfamily	HydB/Nqo4-like	8107138	3001849	SCOP2 (2022-06-29)
L [auth U]	SCOP2 Family	Acyl-carrier protein (ACP)	8107133	4000857	SCOP2 (2022-06-29)
L [auth U]	SCOP2 Superfamily	ACP-like	8107134	3001805	SCOP2 (2022-06-29)
A [auth B]	SCOP2 Family	Nq06/HydA N-terminal domain-like	8107135	4007641	SCOP2 (2022-06-29)
A [auth B]	SCOP2 Superfamily	Nqo6/HydA N-terminal domain-like	8107136	3002291	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
I [auth Q]	NDUS4	e7arcQ1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: NDUS4	ECOD (v295.2)
H [auth P]	Dynamin_N	e7arcP1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)
G [auth I]	NDUS4	e7arcI1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: NDUS4	ECOD (v295.2)
F [auth G]	Dynamin_N	e7arcG1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)
E [auth F]	Dynamin_N	e7arcF1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)
D [auth E]	Dynamin_N	e7arcE1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)
C [auth D]	TVHS-like	e7arcD1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: TVHS-like	ECOD (v295.2)
B [auth C]	Dynamin_N	e7arcC1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)
O [auth q]	NDUFA12	e7arcq01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: NDUFA12	ECOD (v295.2)
N [auth W]	Dynamin_N	e7arcW1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)
M [auth V]	T7SS_ESX1_EccB	e7arcV01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: T7SS_ESX1_EccB	ECOD (v295.2)
L [auth U]	Dynamin_N	e7arcU1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)
K [auth S]	Dynamin_N	e7arcS1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)
J [auth R]	T7SS_ESX1_EccB	e7arcR01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: T7SS_ESX1_EccB	ECOD (v295.2)
A [auth B]	Dynamin_N	e7arcB1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Dynamin_N	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H [auth P]	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (utative)
C [auth D]	1.10.645.10	Mainly Alpha	Orthogonal Bundle	Cytochrome-c3 Hydrogenase	chain B	CATH (utative)
B [auth C]	3.30.460.80	Alpha Beta	2-Layer Sandwich	Beta Polymerase	domain 2	CATH (utative)
A [auth B]	3.40.50.12280	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth Q]	18 kDa	-	-	-
H [auth P]	39 kDa	-	-	-
G [auth I]	TYKY	iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity	protein-containing complex organization 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 protein-containing complex organization 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 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 intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle membrane
F [auth G]	75 kDa	-	-	-
E [auth F]	51 kDa	FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide 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 FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide 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 NADH dehydrogenase activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity catalytic activity transmembrane transporter activity NAD binding purine nucleotide binding adenyl nucleotide binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding	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 metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope 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
D [auth E]	24 kDa	-	-	-
C [auth D]	ND7	NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity quinone binding	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 metabolic process cellular process mitochondrial ATP synthesis coupled electron transport	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle
B [auth C]	ND9	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 NADH dehydrogenase activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity catalytic 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 NADH dehydrogenase activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity catalytic activity transmembrane transporter activity	-	-
P [auth r]	B14.5a	-	-	-
O [auth q]	B17.2	-	-	-
N [auth W]	B14	-	response to oxidative stress response to stimulus response to stress	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane
M [auth V]	B13	-	-	-
L [auth U]	SDAP2	phosphopantetheine-dependent carrier activity prosthetic group binding binding acyl carrier activity molecular carrier activity ACP phosphopantetheine attachment site binding acyl binding small molecule binding	-	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle protein-containing complex catalytic complex
K [auth S]	B8	-	-	-
J [auth R]	13 kDa	-	-	-
A [auth B]	PSST	iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster 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 NADH dehydrogenase activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster 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 NADH dehydrogenase activity oxidoreductase activity electron transfer activity active monoatomic ion transmembrane transporter activity NADH dehydrogenase (ubiquinone) activity oxidoreduction-driven active transmembrane transporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity catalytic activity transmembrane transporter activity quinone binding	electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport establishment of localization monoatomic cation transmembrane transport transmembrane transport localization energy coupled proton transmembrane transport, against electrochemical gradient monoatomic ion transport cellular process monoatomic cation transport protein-containing complex organization NADH dehydrogenase complex assembly electron transport coupled proton transport transport proton transmembrane transport monoatomic ion transmembrane transport establishment of localization monoatomic cation transmembrane transport transmembrane transport localization energy coupled proton transmembrane transport, against electrochemical gradient monoatomic ion transport cellular process monoatomic cation transport protein-containing complex organization 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 energy derivation by oxidation of organic compounds metabolic process generation of precursor metabolites and energy	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle respiratory chain complex protein-containing complex catalytic complex membrane membrane protein complex transporter complex membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle respiratory chain complex protein-containing complex catalytic complex membrane membrane protein complex transporter complex NADH dehydrogenase complex transmembrane transporter complex respiratory chain complex I oxidoreductase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
G [auth I]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
G [auth I]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
G [auth I]	IPR010226	NADH-quinone oxidoreductase, chain I	Family
E [auth F]	IPR019575	NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain	Domain
E [auth F]	IPR054765	SLBB domain	Domain
E [auth F]	IPR011537	NADH ubiquinone oxidoreductase, F subunit	Family
E [auth F]	IPR001949	NADH:ubiquinone oxidoreductase, 51kDa subunit, conserved site	Conserved Site
E [auth F]	IPR037225	NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain superfamily	Homologous Superfamily
E [auth F]	IPR037207	NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain superfamily	Homologous Superfamily
E [auth F]	IPR011538	NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain	Domain
E [auth F]	IPR050837	Complex I 51 kDa subunit	Family
C [auth D]	IPR022885	NAD(P)H-quinone oxidoreductase subunit D/H	Family
C [auth D]	IPR014029	NADH:ubiquinone oxidoreductase, 49kDa subunit, conserved site	Conserved Site
C [auth D]	IPR029014	[NiFe]-hydrogenase, large subunit	Homologous Superfamily
C [auth D]	IPR001135	NADH-quinone oxidoreductase, subunit D	Domain
B [auth C]	IPR037232	NADH:ubiquinone oxidoreductase, 30kDa subunit superfamily	Homologous Superfamily
B [auth C]	IPR001268	NADH:ubiquinone oxidoreductase, 30kDa subunit	Domain
B [auth C]	IPR020396	NADH:ubiquinone oxidoreductase, 30kDa subunit, conserved site	Conserved Site
B [auth C]	IPR010218	NADH dehydrogenase, subunit C	Family
N [auth W]	IPR016488	NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 6	Family
L [auth U]	IPR009081	Phosphopantetheine binding ACP domain	Domain
L [auth U]	IPR036736	ACP-like superfamily	Homologous Superfamily
L [auth U]	IPR003231	Acyl carrier protein	Family
A [auth B]	IPR006138	NADH-ubiquinone oxidoreductase, 20 Kd subunit	Family
A [auth B]	IPR006137	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	Domain

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
E [auth F], N [auth W]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Electron Transport Chain Complexes: Complex I	Mitochondrial Complex I, complete composition