Complex I from respirasome closed state 1 bound by metformin (SC-MetC1-iii)
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| RA [auth V2] | SCOP2B Superfamily | Thioredoxin-like | 8106790 | 3000031 | SCOP2B (2022-06-29) |
| NA [auth S6] | SCOP2B Superfamily | Rubredoxin-like | 8091048 | 3001257 | SCOP2B (2022-06-29) |
| JA [auth S2] | SCOP2B Superfamily | HydB/Nqo4-like | 8085733 | 3001849 | SCOP2B (2022-06-29) |
| EA [auth N3] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8106932 | 3002200 | SCOP2B (2022-06-29) |
| C [auth A2] | SCOP2B Superfamily | Thioredoxin-like | 8065219 | 3000031 | SCOP2B (2022-06-29) |
| CA [auth N1] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054145 | 3002280 | SCOP2B (2022-06-29) |
| A [auth 4L] | 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 |
|---|---|---|---|---|---|
| I [auth A9] | PF01370 | NAD dependent epimerase/dehydratase family (Epimerase) | NAD dependent epimerase/dehydratase family | - | Family |
| H [auth A8] | 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 |
| G [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 |
| F [auth A6] | PF05347 | Complex 1 protein (LYR family) (Complex1_LYR) | Complex 1 protein (LYR family) | - | Family |
| SA [auth V3] | PF15880 | NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial (NDUFV3) | NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial | - | Family |
| RA [auth V2] | PF01257 | Thioredoxin-like [2Fe-2S] ferredoxin (2Fe-2S_thioredx) | Thioredoxin-like [2Fe-2S] ferredoxin | - | Family |
| QA [auth V1] | PF22461 | SLBB domain (SLBB_2) | SLBB domain | This entry represents a set of SLBB domains [5]. | Domain |
| QA [auth V1] | 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 |
| QA [auth V1] | PF10589 | NADH-ubiquinone oxidoreductase-F iron-sulfur binding region (NADH_4Fe-4S) | NADH-ubiquinone oxidoreductase-F iron-sulfur binding region | Domain | |
| PA [auth S8] | 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 |
| OA [auth S7] | PF01058 | NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6) | NADH ubiquinone oxidoreductase, 20 Kd subunit | Domain | |
| D [auth A3] | PF14987 | NADH dehydrogenase 1 alpha subcomplex subunit 3 (NADHdh_A3) | NADH dehydrogenase 1 alpha subcomplex subunit 3 | - | Family |
| NA [auth S6] | 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 |
| MA [auth S5] | PF10200 | NADH:ubiquinone oxidoreductase, NDUFS5-15kDa (Ndufs5) | NADH:ubiquinone oxidoreductase, NDUFS5-15kDa | - | Family |
| LA [auth S4] | PF04800 | NADH dehydrogenase ubiquinone Fe-S protein 4 (NDUS4) | NADH dehydrogenase ubiquinone Fe-S protein 4 | - | Family |
| KA [auth S3] | PF00329 | Respiratory-chain NADH dehydrogenase, 30 Kd subunit (Complex1_30kDa) | Respiratory-chain NADH dehydrogenase, 30 Kd subunit | Domain | |
| JA [auth S2] | PF00346 | Respiratory-chain NADH dehydrogenase, 49 Kd subunit (Complex1_49kDa) | Respiratory-chain NADH dehydrogenase, 49 Kd subunit | - | Family |
| IA [auth S1] | PF00384 | Molybdopterin oxidoreductase (Molybdopterin) | Molybdopterin oxidoreductase | Domain | |
| IA [auth S1] | 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 |
| IA [auth S1] | 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 |
| IA [auth S1] | PF09326 | NADH-ubiquinone oxidoreductase subunit G, C-terminal (NADH_dhqG_C) | NADH-ubiquinone oxidoreductase subunit G, C-terminal | - | Family |
| IA [auth S1] | 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 |
| IA [auth S1] | PF10588 | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region (NADH-G_4Fe-4S_3) | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region | Domain | |
| HA [auth N6] | PF00499 | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3) | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 | - | Family |
| GA [auth N5] | 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 |
| GA [auth N5] | PF06455 | NADH dehydrogenase subunit 5 C-terminus (NADH5_C) | NADH dehydrogenase subunit 5 C-terminus | This entry represents the C-terminal region of several NADH dehydrogenase subunit 5 proteins and is found in conjunction with Pfam:PF00361 and Pfam:PF00662. | Domain |
| GA [auth N5] | 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 |
| FA [auth N4] | 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 |
| FA [auth N4] | 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 |
| EA [auth N3] | PF00507 | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4) | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 | - | Family |
| C [auth A2] | 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 |
| DA [auth N2] | 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 |
| DA [auth N2] | PF06444 | NADH dehydrogenase subunit 2 C-terminus (NADH_dehy_S2_C) | NADH dehydrogenase subunit 2 C-terminus | This family consists of the C-terminal region specific to the eukaryotic NADH dehydrogenase subunit 2 protein and is found in conjunction with Pfam:PF00361. | Domain |
| CA [auth N1] | PF00146 | NADH dehydrogenase (NADHdh) | NADH dehydrogenase | - | Family |
| BA [auth CB] | PF06374 | NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) (NDUF_C2) | NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) | - | Family |
| AA [auth CA] | PF15088 | NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial (NADH_dh_m_C1) | NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial | - | Family |
| Z [auth BL] | PF10183 | ESSS subunit of NADH:ubiquinone oxidoreductase (complex I) (ESSS) | ESSS subunit of NADH:ubiquinone oxidoreductase (complex I) | - | Family |
| Y [auth BK] | PF10249 | NADH-ubiquinone oxidoreductase subunit 10 (NDUFB10) | NADH-ubiquinone oxidoreductase subunit 10 | - | Family |
| X [auth B9] | PF05347 | Complex 1 protein (LYR family) (Complex1_LYR) | Complex 1 protein (LYR family) | - | Family |
| W [auth B8] | PF05821 | NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8) (NDUF_B8) | NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8) | - | Family |
| V [auth B7] | PF05676 | NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) (NDUF_B7) | NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) | - | Family |
| U [auth B6] | PF09782 | NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit (NDUF_B6) | NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit | - | Family |
| B [auth A1] | PF15879 | NADH-ubiquinone oxidoreductase MWFE subunit (MWFE) | NADH-ubiquinone oxidoreductase MWFE subunit | - | Family |
| T [auth B5] | PF09781 | NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunit (NDUF_B5) | NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunit | - | Family |
| S [auth B4] | PF07225 | NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) (NDUF_B4) | NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) | - | Family |
| R [auth B3] | PF08122 | NADH-ubiquinone oxidoreductase B12 subunit family (NDUF_B12) | NADH-ubiquinone oxidoreductase B12 subunit family | - | Family |
| Q [auth B2] | PF14813 | NADH dehydrogenase 1 beta subcomplex subunit 2 (NADH_B2) | NADH dehydrogenase 1 beta subcomplex subunit 2 | - | Family |
| P [auth B1] | PF08040 | MNLL subunit (NADH_oxidored) | MNLL subunit | - | Family |
| O [auth AN] | PF06212 | GRIM-19 protein (GRIM-19) | GRIM-19 protein | - | Family |
| N [auth AM] | PF05071 | NADH ubiquinone oxidoreductase subunit NDUFA12 (NDUFA12) | NADH ubiquinone oxidoreductase subunit NDUFA12 | - | Family |
| M [auth AL] | PF02466 | Tim17/Tim22/Tim23/Pmp24 family (Tim17) | Tim17/Tim22/Tim23/Pmp24 family | - | Family |
| L [auth AK] | 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 |
| J [auth AB], K [auth AC] | 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 |
| A [auth 4L] | PF00420 | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2) | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L | - | Family |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Protein Modification Annotation
| Modified Residue(s) | ||
|---|---|---|
| Chain | Residue(s) | Description |
| JA [auth S2] | 2MR | Parent Component: ARG :  AA0067 :  symmetric dimethyl-L-arginine MOD:00076 |














