7A23
Plant mitochondrial respiratory complex I
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| N [auth G] | SCOP2 Family | Nqo4-like | 8101588 | 4000433 | SCOP2 (2022-06-29) |
| N [auth G] | SCOP2 Superfamily | HydB/Nqo4-like | 8101589 | 3001849 | SCOP2 (2022-06-29) |
| R [auth B] | SCOP2 Family | NQO2-like | 8101474 | 4002945 | SCOP2 (2022-06-29) |
| R [auth B] | SCOP2 Superfamily | Thioredoxin-like | 8101475 | 3000031 | SCOP2 (2022-06-29) |
| S [auth O] | SCOP2B Superfamily | NADH-ubiquinone oxidoreductase-like | 8101739 | 3002258 | SCOP2B (2022-06-29) |
| W [auth E] | SCOP2 Family | Nq06/HydA N-terminal domain-like | 8101542 | 4007641 | SCOP2 (2022-06-29) |
| W [auth E] | SCOP2 Superfamily | Nqo6/HydA N-terminal domain-like | 8101543 | 3002291 | SCOP2 (2022-06-29) |
| AA [auth Q] | SCOP2 Family | Mitochondrial ribosomal protein L51/S25/CI-B8 domain | 8101736 | 4002951 | SCOP2 (2022-06-29) |
| AA [auth Q] | SCOP2 Superfamily | Thioredoxin-like | 8101737 | 3000031 | SCOP2 (2022-06-29) |
| BA [auth k] | SCOP2 Family | Acyl-carrier protein (ACP) | 8101544 | 4000857 | SCOP2 (2022-06-29) |
| BA [auth k] | SCOP2 Superfamily | ACP-like | 8101545 | 3001805 | SCOP2 (2022-06-29) |
| OA [auth e] | SCOP2 Family | Acyl-carrier protein (ACP) | 8101482 | 4000857 | SCOP2 (2022-06-29) |
| OA [auth e] | SCOP2 Superfamily | ACP-like | 8101483 | 3001805 | SCOP2 (2022-06-29) |
| F [auth K] | SCOP2 Family | NADH-quinone oxidoreductase NDH subunit 11-like | 8101594 | 4005793 | SCOP2 (2022-06-29) |
| F [auth K] | SCOP2 Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8101595 | 3002200 | 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) |
|---|---|---|---|---|---|---|---|---|
| A | NADH_4Fe-4S | e7a23A2 | 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) |
| A | SLBB | e7a23A3 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Nqo1 middle domain-like | F: SLBB | ECOD (1.6) |
| A | Complex1_51K | e7a23A1 | 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) |
| M [auth j] | Ndufs5 | e7a23j1 | A: alpha bundles | X: cytochrome bc1 complex 11 kDa protein-like | H: CHCH domain (From Topology) | T: CHCH domain | F: Ndufs5 | ECOD (1.6) |
| N [auth G] | Complex1_49kDa_1st | e7a23G2 | A: alpha complex topology | X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology) | T: alpha-helical domain in nickel-iron hydrogenase, large subunit | F: Complex1_49kDa_1st | ECOD (1.6) |
| N [auth G] | NuoD | e7a23G1 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: NuoD | ECOD (1.6) |
| N [auth G] | Complex1_49kDa_2nd | e7a23G3 | A: a+b two layers | X: FAD-linked reductases, C-terminal domain-like | H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology) | T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit | F: Complex1_49kDa_2nd | ECOD (1.6) |
| O [auth C] | PRK09129 | e7a23C4 | 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) |
| O [auth C] | Fer2_4 | e7a23C2 | A: a+b two layers | X: beta-Grasp | H: Ubiquitin-related | T: Ubiquitin-like | F: Fer2_4 | ECOD (1.6) |
| O [auth C] | Molybdop_Fe4S4_1 | e7a23C3 | 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) |
| O [auth C] | Molybdopterin_2nd | e7a23C1 | 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) |
| O [auth C] | Molybdopterin_1st | e7a23C6 | 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) |
| O [auth C] | NADH-G_4Fe-4S_3 | e7a23C5 | 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) |
| P [auth T] | NmrA | e7a23T1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: NmrA | ECOD (1.6) |
| Q [auth F] | Complex1_30kDa | e7a23F1 | A: a+b two layers | X: Nqo5-like | H: Nqo5-like (From Topology) | T: Nqo5-like | F: Complex1_30kDa | ECOD (1.6) |
| R [auth B] | 2Fe-2S_thioredx_N | e7a23B1 | 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) |
| R [auth B] | 2Fe-2S_thioredx_C | e7a23B2 | A: a+b three layers | X: Thioredoxin-like | H: Thioredoxin-like (From Topology) | T: Thioredoxin-like | F: 2Fe-2S_thioredx_C | ECOD (1.6) |
| S [auth O] | ETC_C1_NDUFA4 | e7a23O1 | 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) |
| B [auth I] | Proton_antipo_M | e7a23I1 | 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) |
| T [auth P] | zf-CHCC | e7a23P1 | A: few secondary structure elements | X: Rubredoxin-like | H: Rubredoxin-related | T: Cytochrome c oxidase Subunit F | F: zf-CHCC | ECOD (1.6) |
| V [auth U] | NDUFA12 | e7a23U1 | 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) |
| W [auth E] | Oxidored_q6 | e7a23E1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: CheY-like | F: Oxidored_q6 | ECOD (1.6) |
| X [auth D] | Fer4_21_1 | e7a23D1 | 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) |
| Y [auth X] | Complex1_LYR | e7a23X1 | A: alpha bundles | X: LYR protein (From Topology) | H: LYR protein (From Topology) | T: LYR protein | F: Complex1_LYR | ECOD (1.6) |
| AA [auth Q] | L51_S25_CI-B8 | e7a23Q1 | A: a+b three layers | X: Thioredoxin-like | H: Thioredoxin-like (From Topology) | T: Thioredoxin-like | F: L51_S25_CI-B8 | ECOD (1.6) |
| BA [auth k] | PP-binding | e7a23k1 | A: alpha bundles | X: ACP-like | H: Acyl-carrier protein (ACP) (From Topology) | T: Acyl-carrier protein (ACP) | F: PP-binding | ECOD (1.6) |
| C [auth J] | Oxidored_q4 | e7a23J1 | 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) |
| EA [auth o] | Hexapep_2_1 | e7a23o1 | A: beta duplicates or obligate multimers | X: Single-stranded left-handed beta-helix | H: Trimeric LpxA-like enzymes (From Topology) | T: Trimeric LpxA-like enzymes | F: Hexapep_2_1 | ECOD (1.6) |
| HA [auth M] | Proton_antipo_M | e7a23M1 | 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) |
| KA [auth d] | Complex1_LYR | e7a23d1 | A: alpha bundles | X: LYR protein (From Topology) | H: LYR protein (From Topology) | T: LYR protein | F: Complex1_LYR | ECOD (1.6) |
| LA [auth a] | Proton_antipo_M | e7a23a1 | 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) |
| D [auth N] | Oxidored_q3 | e7a23N1 | 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 | ECOD (1.6) |
| OA [auth e] | PP-binding | e7a23e1 | A: alpha bundles | X: ACP-like | H: Acyl-carrier protein (ACP) (From Topology) | T: Acyl-carrier protein (ACP) | F: PP-binding | ECOD (1.6) |
| E [auth H] | NADHdh | e7a23H1 | 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) |
| F [auth K] | Oxidored_q2 | e7a23K1 | 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) |
| G [auth Y] | F_UNCLASSIFIED | e7a23Y2 | A: few secondary structure elements | X: p8-MTCP1-related (From Topology) | H: p8-MTCP1-related (From Topology) | T: p8-MTCP1-related | F: F_UNCLASSIFIED | ECOD (1.6) |
| G [auth Y] | CHCH | e7a23Y1 | 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) |
| H [auth Z] | GRIM-19 | e7a23Z1 | 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) |
| I [auth V] | MWFE | e7a23V1 | 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) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF10531 | SLBB domain (SLBB) | SLBB domain | - | Domain | |
| PF22461 | SLBB domain (SLBB_2) | SLBB domain | This entry represents a set of SLBB domains [5]. | Domain | |
| PF00361 | Proton-conducting membrane transporter (Proton_antipo_M) | Proton-conducting membrane transporter | - | Family | |
| PF00662 | NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus (Proton_antipo_N) | NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus | - | Family | |
| PF01512 | Respiratory-chain NADH dehydrogenase 51 Kd subunit (Complex1_51K) | Respiratory-chain NADH dehydrogenase 51 Kd subunit | - | Family | |
| PF10589 | NADH-ubiquinone oxidoreductase-F iron-sulfur binding region (NADH_4Fe-4S) | NADH-ubiquinone oxidoreductase-F iron-sulfur binding region | - | Domain | |
| N [auth G] | PF00346 | Respiratory-chain NADH dehydrogenase, 49 Kd subunit (Complex1_49kDa) | Respiratory-chain NADH dehydrogenase, 49 Kd subunit | - | Family |
| O [auth C] | PF10785 | NADH-ubiquinone oxidoreductase complex I, 21 kDa subunit (NADH-u_ox-rdase) | NADH-ubiquinone oxidoreductase complex I, 21 kDa subunit | This family is the N-terminal domain of NADH-ubiquinone oxidoreductase 21 kDa subunits from fungi, lower metazoa and plants. | Domain |
| O [auth C] | PF00384 | Molybdopterin oxidoreductase (Molybdopterin) | Molybdopterin oxidoreductase | - | Family |
| O [auth C] | PF22151 | NADH-ubiquinone oxidoreductase NDSU1/NuoG-like, 4Fe-4S domain (NDSU1_4Fe-4S) | NADH-ubiquinone oxidoreductase NDSU1/NuoG-like, 4Fe-4S domain | This entry represents the 4Fe-4S domain of NADH-ubiquinone oxidoreductase NDUFS1 from mammals and NuoG from bacteria, which are part of respiratory chain complex I [1-5]. | Domain |
| O [auth C] | PF13510 | 2Fe-2S iron-sulfur cluster binding domain (Fer2_4) | 2Fe-2S iron-sulfur cluster binding domain | The 2Fe-2S ferredoxin family have a general core structure consisting of beta(2)-alpha-beta(2) which a beta-grasp type fold. The domain is around one hundred amino acids with four conserved cysteine residues to which the 2Fe-2S cluster is ligated. Th ... | Domain |
| O [auth C] | PF09326 | NADH-ubiquinone oxidoreductase subunit G, C-terminal (NADH_dhqG_C) | NADH-ubiquinone oxidoreductase subunit G, C-terminal | - | Family |
| O [auth C] | PF22117 | NADH-quinone oxidoreductase subunit 3, ferredoxin-like domain (Nqo3_Fer4) | NADH-quinone oxidoreductase subunit 3, ferredoxin-like domain | NADH-quinone oxidoreductase subunit 3 (Nqo3) is a component of respiratory complex I. This protein is located at the peripheral arm of the complex and consists of multiple domains. This entry represents the second ferredoxin-like domain which contain ... | Domain |
| O [auth C] | PF10588 | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region (NADH-G_4Fe-4S_3) | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region | - | Domain |
| P [auth T] | PF01370 | NAD dependent epimerase/dehydratase family (Epimerase) | NAD dependent epimerase/dehydratase family | - | Family |
| Q [auth F] | PF00329 | Respiratory-chain NADH dehydrogenase, 30 Kd subunit (Complex1_30kDa) | Respiratory-chain NADH dehydrogenase, 30 Kd subunit | - | Family |
| Q [auth F] | PF10249 | NADH-ubiquinone oxidoreductase subunit 10 (NDUFB10) | NADH-ubiquinone oxidoreductase subunit 10 | - | Family |
| R [auth B] | PF01257 | Thioredoxin-like [2Fe-2S] ferredoxin (2Fe-2S_thioredx) | Thioredoxin-like [2Fe-2S] ferredoxin | - | Family |
| S [auth O] | PF04800 | NADH dehydrogenase ubiquinone Fe-S protein 4 (NDUS4) | NADH dehydrogenase ubiquinone Fe-S protein 4 | - | Family |
| B [auth I] | PF00361 | Proton-conducting membrane transporter (Proton_antipo_M) | Proton-conducting membrane transporter | - | Family |
| T [auth P] | PF10276 | Zinc-finger domain (zf-CHCC) | Zinc-finger domain | This is a short zinc-finger domain conserved from fungi to humans. It is Cx8Hx14Cx2C. | Domain |
| U [auth R] | PF04716 | ETC complex I subunit conserved region (ETC_C1_NDUFA5) | ETC complex I subunit conserved region | - | Family |
| V [auth U] | PF05071 | NADH ubiquinone oxidoreductase subunit NDUFA12 (NDUFA12) | NADH ubiquinone oxidoreductase subunit NDUFA12 | - | Family |
| W [auth E] | 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 ... | Domain |
| W [auth E] | PF01058 | NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6) | NADH ubiquinone oxidoreductase, 20 Kd subunit | - | Family |
| X [auth D] | PF12838 | 4Fe-4S dicluster domain (Fer4_7) | 4Fe-4S dicluster domain | Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ... | Domain |
| AA [auth Q] | PF05047 | Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain (L51_S25_CI-B8) | Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain | The proteins in this family are located in the mitochondrion. The family includes ribosomal protein L51, and S25. This family also includes mitochondrial NADH-ubiquinone oxidoreductase B8 subunit (CI-B8) EC:1.6.5.3. It is not known whether all member ... | Domain |
| C [auth J] | PF00507 | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4) | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 | - | Family |
| HA [auth M] | PF00361 | Proton-conducting membrane transporter (Proton_antipo_M) | Proton-conducting membrane transporter | - | Family |
| D [auth N] | PF00499 | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3) | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 | - | Family |
| E [auth H] | PF00146 | NADH dehydrogenase (NADHdh) | NADH dehydrogenase | - | Family |
| F [auth K] | 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 ... | Domain |
| F [auth K] | PF00420 | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2) | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L | - | Family |
| G [auth Y] | PF06747 | CHCH domain (CHCH) | CHCH domain | we have identified a conserved motif in the LOC118487 protein that we have called the CHCH motif. Alignment of this protein with related members showed the presence of three subgroups of proteins, which are called the S (Small), N (N-terminal extende ... | Domain |
| H [auth Z] | PF06212 | GRIM-19 protein (GRIM-19) | GRIM-19 protein | - | Family |
| I [auth V] | PF15879 | NADH-ubiquinone oxidoreductase MWFE subunit (MWFE) | NADH-ubiquinone oxidoreductase MWFE subunit | - | Family |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Membrane Protein Annotation: OPM OPM Database Homepage
| Chains | External Link | Type | Class | Superfamily | Family |
|---|---|---|---|---|---|
| OPM | Transmembrane | Alpha-helical polytopic | Electron transport chain complex I (NADH dehydrogenase) and supercomplexes | H+ or Na+ translocating NADH dehydrogenase |
Membrane Protein Annotation: PDBTM PDBTM Database Homepage
| Chains | External Link | Comment |
|---|---|---|
| PDBTM | Annotated as membrane protein by PDBTM |
