Respiratory supercomplex I+III2+IV open state
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| T [auth j] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8106932 | 3002200 | SCOP2B (2022-06-29) |
| AA [auth r] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054145 | 3002280 | SCOP2B (2022-06-29) |
| CA [auth C] | SCOP2B Superfamily | HydB/Nqo4-like | 8085733 | 3001849 | SCOP2B (2022-06-29) |
| EA [auth E] | SCOP2B Superfamily | Thioredoxin-like | 8106790 | 3000031 | SCOP2B (2022-06-29) |
| FA [auth F] | SCOP2B Superfamily | Rubredoxin-like | 8091048 | 3001257 | SCOP2B (2022-06-29) |
| MA [auth P] | SCOP2B Superfamily | Thioredoxin-like | 8065219 | 3000031 | SCOP2B (2022-06-29) |
| SB [auth Ao] | SCOP2B Superfamily | Cytochrome c oxidase subunit E | 8097744 | 3001402 | SCOP2B (2022-06-29) |
| D [auth 3] | SCOP2B Superfamily | Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8073349 | 3000787 | SCOP2B (2022-06-29) |
| JB [auth Ad] | SCOP2B Superfamily | Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8073349 | 3000787 | SCOP2B (2022-06-29) |
| U [auth k] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8098766 | 3002200 | SCOP2B (2022-06-29) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A [auth 0], HB [auth Ab] | PF02320 | Ubiquinol-cytochrome C reductase hinge protein (UCR_hinge) | Ubiquinol-cytochrome C reductase hinge protein | The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c ... | Domain |
| B [auth 1], IB [auth Ac] | PF05365 | Cytochrome b-c1 complex subunit 9 (UCR_UQCRX_QCR9) | Cytochrome b-c1 complex subunit 9 | - | Family |
| AC [auth Ae], BC [auth Af], C [auth 2], E [auth 4] | PF02921 | Ubiquinol cytochrome reductase transmembrane region (UCR_TM) | Ubiquinol cytochrome reductase transmembrane region | - | Family |
| AC [auth Ae], BC [auth Af], C [auth 2], E [auth 4] | PF00355 | Rieske [2Fe-2S] domain (Rieske) | Rieske [2Fe-2S] domain | The rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in ... | Domain |
| BB [auth v], F [auth 6] | PF05193 | Peptidase M16 inactive domain (Peptidase_M16_C) | Peptidase M16 inactive domain | Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. | Domain |
| BB [auth v], F [auth 6] | PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | Family |
| CA [auth C] | PF00346 | Respiratory-chain NADH dehydrogenase, 49 Kd subunit (Complex1_49kDa) | Respiratory-chain NADH dehydrogenase, 49 Kd subunit | - | Family |
| DA [auth D] | PF00329 | Respiratory-chain NADH dehydrogenase, 30 Kd subunit (Complex1_30kDa) | Respiratory-chain NADH dehydrogenase, 30 Kd subunit | Domain | |
| DA [auth D] | PF10249 | NADH-ubiquinone oxidoreductase subunit 10 (NDUFB10) | NADH-ubiquinone oxidoreductase subunit 10 | - | Family |
| EA [auth E] | PF01257 | Thioredoxin-like [2Fe-2S] ferredoxin (2Fe-2S_thioredx) | Thioredoxin-like [2Fe-2S] ferredoxin | - | Family |
| FA [auth F] | 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 |
| GA [auth H] | 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 |
| IA [auth J] | PF00507 | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4) | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 | - | Family |
| IA [auth J] | PF04800 | NADH dehydrogenase ubiquinone Fe-S protein 4 (NDUS4) | NADH dehydrogenase ubiquinone Fe-S protein 4 | - | Family |
| MA [auth P] | PF05347 | Complex 1 protein (LYR family) (Complex1_LYR) | Complex 1 protein (LYR family) | - | Family |
| MA [auth P] | 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 |
| NA [auth Q] | PF05347 | Complex 1 protein (LYR family) (Complex1_LYR) | Complex 1 protein (LYR family) | - | Family |
| NA [auth Q] | PF00361 | NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M) | NADH:quinone oxidoreductase/Mrp antiporter, TM | This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ... | Domain |
| NA [auth Q] | PF01059 | NADH-ubiquinone oxidoreductase chain 4, amino terminus (Oxidored_q5_N) | NADH-ubiquinone oxidoreductase chain 4, amino terminus | This domain is found at the N-terminal end of NADH-ubiquinone oxidoreductase chain 4 and similar sequences from bacteria and eukaryotes. This domain is found upstream of Pfam:PF00361 and shows an all-alpha structure. | Domain |
| PA [auth S] | PF15879 | NADH-ubiquinone oxidoreductase MWFE subunit (MWFE) | NADH-ubiquinone oxidoreductase MWFE subunit | - | Family |
| RA [auth U] | PF01712 | Deoxynucleoside kinase (dNK) | Deoxynucleoside kinase | This family consists of various deoxynucleoside kinases cytidine EC:2.7.1.74, guanosine EC:2.7.1.113, adenosine EC:2.7.1.76 and thymidine kinase EC:2.7.1.21 (which also phosphorylates deoxyuridine and deoxycytosine.) These enzymes catalyse the prod ... | Domain |
| RA [auth U] | PF05193 | Peptidase M16 inactive domain (Peptidase_M16_C) | Peptidase M16 inactive domain | Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. | Domain |
| RA [auth U] | PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | Family |
| TA [auth W] | PF06212 | GRIM-19 protein (GRIM-19) | GRIM-19 protein | - | Family |
| TA [auth W] | PF00033 | Cytochrome b/b6/petB (Cytochrome_B) | Cytochrome b/b6/petB | Domain | |
| VA [auth Y] | PF14813 | NADH dehydrogenase 1 beta subcomplex subunit 2 (NADH_B2) | NADH dehydrogenase 1 beta subcomplex subunit 2 | - | Family |
| XB [auth G] | PF06374 | NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) (NDUF_C2) | NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) | - | Family |
| XB [auth G] | PF00384 | Molybdopterin oxidoreductase (Molybdopterin) | Molybdopterin oxidoreductase | Domain | |
| XB [auth G] | PF22151 | NADH-ubiquinone oxidoreductase NDSU1/NuoG-like, 4Fe-4S domain (Fer4_NDSU1) | 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 |
| XB [auth G] | PF09326 | NADH-ubiquinone oxidoreductase subunit G, C-terminal (NADH_dhqG_C) | NADH-ubiquinone oxidoreductase subunit G, C-terminal | - | Family |
| XB [auth G] | PF22117 | NADH-quinone oxidoreductase subunit 3, ferredoxin-like domain (Fer4_Nqo3) | 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 |
| XB [auth G] | PF10588 | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region (NADH-G_4Fe-4S_3) | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region | Domain | |
| ZB [auth M] | 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 |
| ZB [auth M] | PF00499 | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3) | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 | - | Family |
| DB [auth x], H [auth 8] | PF02167 | Cytochrome C1 family (Cytochrom_C1) | Cytochrome C1 family | - | Family |
| YB [auth L] | PF01370 | NAD dependent epimerase/dehydratase family (Epimerase) | NAD dependent epimerase/dehydratase family | - | Family |
| YB [auth L] | PF00361 | NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M) | NADH:quinone oxidoreductase/Mrp antiporter, TM | This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ... | Domain |
| YB [auth L] | PF00662 | NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus (Proton_antipo_N) | NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus | This entry represents an amino terminal extension of Pfam:PF00361. Only NADH-Ubiquinone chain 5 and eubacterial chain L are in this family. This sub-family is part of complex I which catalyses the transfer of two electrons from NADH to ubiquinone in ... | Domain |
| CB [auth w], G [auth 7] | PF00032 | Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C) | Cytochrome b(C-terminal)/b6/petD | Domain | |
| CB [auth w], G [auth 7] | PF00033 | Cytochrome b/b6/petB (Cytochrome_B) | Cytochrome b/b6/petB | Domain | |
| AB [auth u], WB [auth 5] | PF05193 | Peptidase M16 inactive domain (Peptidase_M16_C) | Peptidase M16 inactive domain | Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. | Domain |
| AB [auth u], WB [auth 5] | PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | Family |
| WA [auth Z] | PF02939 | UcrQ family (UcrQ) | UcrQ family | - | Family |
| WA [auth Z] | PF08122 | NADH-ubiquinone oxidoreductase B12 subunit family (NDUF_B12) | NADH-ubiquinone oxidoreductase B12 subunit family | - | Family |
| SA [auth V] | PF02466 | Tim17/Tim22/Tim23/Pmp24 family (Tim17) | Tim17/Tim22/Tim23/Pmp24 family | - | Family |
| SA [auth V] | PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | Family |
| QA [auth T] | PF05676 | NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) (NDUF_B7) | NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) | - | Family |
| QA [auth T] | PF14987 | NADH dehydrogenase 1 alpha subcomplex subunit 3 (NADHdh_A3) | NADH dehydrogenase 1 alpha subcomplex subunit 3 | - | Family |
| OA [auth R] | PF00146 | NADH dehydrogenase (NADHdh) | NADH dehydrogenase | - | Family |
| LA [auth O], UA [auth X] | 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 |
| LA [auth O], UA [auth X] | PF07225 | NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) (NDUF_B4) | NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) | - | Family |
| LA [auth O], UA [auth X] | PF02167 | Cytochrome C1 family (Cytochrom_C1) | Cytochrome C1 family | - | Family |
| KA [auth N] | PF04716 | ETC complex I subunit conserved region (ETC_C1_NDUFA5) | ETC complex I subunit conserved region | - | Family |
| JA [auth K] | PF00420 | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2) | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L | - | Family |
| JA [auth K] | PF05071 | NADH ubiquinone oxidoreductase subunit NDUFA12 (NDUFA12) | NADH ubiquinone oxidoreductase subunit NDUFA12 | - | Family |
| HA [auth I] | PF00361 | NADH:quinone oxidoreductase/Mrp antiporter, TM (Proton_antipo_M) | NADH:quinone oxidoreductase/Mrp antiporter, TM | This entry includes membrane transporters and represents some 7 of potentially 14-16 TM regions. In many instances, its members forms part of complex I that catalyses the transfer of two electrons from NADH to ubiquinone in a reaction that is associa ... | Domain |
| HA [auth I] | PF01058 | NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6) | NADH ubiquinone oxidoreductase, 20 Kd subunit | Domain | |
| BA [auth B] | PF22461 | SLBB domain (SLBB_2) | SLBB domain | This entry represents a set of SLBB domains [5]. | Domain |
| BA [auth B] | PF01512 | Nuo51 FMN-binding domain (Complex1_51K) | Nuo51 FMN-binding domain | This entry represents the FMN-binding domain of NADH-ubiquinone oxidoreductase 51kDa subunit from NADH:ubiquinone oxidoreductase. | Domain |
| BA [auth B] | PF10589 | NADH-ubiquinone oxidoreductase-F iron-sulfur binding region (NADH_4Fe-4S) | NADH-ubiquinone oxidoreductase-F iron-sulfur binding region | Domain | |














