High resolution Cryo-EM structure of human complex I in mitochondria
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| A [auth Q] | SCOP2B Superfamily | HydB/Nqo4-like | 8085737 | 3001849 | SCOP2B (2022-06-29) |
| M [auth e] | SCOP2B Superfamily | ESSS subunit of respiratory complex I | 8090230 | 3002418 | SCOP2B (2022-06-29) |
| Q [auth i] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054178 | 3002280 | SCOP2B (2022-06-29) |
| Q [auth i] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054177 | 3002280 | SCOP2B (2022-06-29) |
| R [auth j] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8106934 | 3002200 | SCOP2B (2022-06-29) |
| S [auth k] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8098268 | 3002200 | SCOP2B (2022-06-29) |
| T [auth l] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054181 | 3002280 | SCOP2B (2022-06-29) |
| T [auth l] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054182 | 3002280 | SCOP2B (2022-06-29) |
| Y [auth r] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054175 | 3002280 | SCOP2B (2022-06-29) |
| Y [auth r] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054176 | 3002280 | SCOP2B (2022-06-29) |
| FA [auth E] | SCOP2B Superfamily | Nqo6/HydA N-terminal domain-like | 8085729 | 3002291 | SCOP2B (2022-06-29) |
| HA [auth G] | SCOP2B Superfamily | Thioredoxin-like | 8032338 | 3000031 | SCOP2B (2022-06-29) |
| MA [auth L] | SCOP2B Superfamily | NADH-ubiquinone oxidoreductase-like | 8053979 | 3002258 | SCOP2B (2022-06-29) |
| PA [auth O] | SCOP2B Superfamily | Thioredoxin-like | 8098560 | 3000031 | SCOP2B (2022-06-29) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A [auth Q] | PF00346 | Respiratory-chain NADH dehydrogenase, 49 Kd subunit (Complex1_49kDa) | Respiratory-chain NADH dehydrogenase, 49 Kd subunit | - | Family |
| B [auth S] | PF15879 | NADH-ubiquinone oxidoreductase MWFE subunit (MWFE) | NADH-ubiquinone oxidoreductase MWFE subunit | - | Family |
| B [auth S] | PF00146 | NADH dehydrogenase (NADHdh) | NADH dehydrogenase | - | Family |
| C [auth U] | 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 |
| C [auth U] | PF14987 | NADH dehydrogenase 1 alpha subcomplex subunit 3 (NADHdh_A3) | NADH dehydrogenase 1 alpha subcomplex subunit 3 | - | Family |
| D [auth V] | PF05676 | NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) (NDUF_B7) | NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) | - | Family |
| E [auth W] | 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 |
| E [auth W] | PF06212 | GRIM-19 protein (GRIM-19) | GRIM-19 protein | - | Family |
| F [auth X], IA [auth H] | PF10200 | NADH:ubiquinone oxidoreductase, NDUFS5-15kDa (Ndufs5) | NADH:ubiquinone oxidoreductase, NDUFS5-15kDa | - | Family |
| F [auth X], IA [auth H] | 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 |
| G [auth Y] | PF14813 | NADH dehydrogenase 1 beta subcomplex subunit 2 (NADH_B2) | NADH dehydrogenase 1 beta subcomplex subunit 2 | - | Family |
| H [auth Z] | PF08122 | NADH-ubiquinone oxidoreductase B12 subunit family (NDUF_B12) | NADH-ubiquinone oxidoreductase B12 subunit family | - | Family |
| DA [auth C] | PF22461 | SLBB domain (SLBB_2) | SLBB domain | This entry represents a set of SLBB domains [5]. | Domain |
| DA [auth C] | 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 |
| DA [auth C] | PF10589 | NADH-ubiquinone oxidoreductase-F iron-sulfur binding region (NADH_4Fe-4S) | NADH-ubiquinone oxidoreductase-F iron-sulfur binding region | Domain | |
| EA [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 |
| EA [auth D] | PF10249 | NADH-ubiquinone oxidoreductase subunit 10 (NDUFB10) | NADH-ubiquinone oxidoreductase subunit 10 | - | Family |
| FA [auth E] | PF01058 | NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6) | NADH ubiquinone oxidoreductase, 20 Kd subunit | Domain | |
| GA [auth F] | PF15088 | NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial (NADH_dh_m_C1) | NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial | - | Family |
| GA [auth F] | PF13233 | Complex1_LYR-like (Complex1_LYR_2) | Complex1_LYR-like | - | Family |
| HA [auth G] | PF06374 | NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) (NDUF_C2) | NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2) | - | Family |
| HA [auth G] | 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 |
| JA [auth I] | PF04716 | ETC complex I subunit conserved region (ETC_C1_NDUFA5) | ETC complex I subunit conserved region | - | Family |
| JA [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 |
| KA [auth J] | PF01370 | NAD dependent epimerase/dehydratase family (Epimerase) | NAD dependent epimerase/dehydratase family | - | Family |
| KA [auth J] | PF00507 | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4) | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 | - | Family |
| LA [auth K] | PF00420 | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2) | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L | - | Family |
| MA [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 |
| MA [auth L] | PF04800 | NADH dehydrogenase ubiquinone Fe-S protein 4 (NDUS4) | NADH dehydrogenase ubiquinone Fe-S protein 4 | - | Family |
| MA [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 |
| NA [auth M] | PF00384 | Molybdopterin oxidoreductase (Molybdopterin) | Molybdopterin oxidoreductase | Domain | |
| NA [auth M] | 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 |
| NA [auth M] | 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 |
| NA [auth M] | PF09326 | NADH-ubiquinone oxidoreductase subunit G, C-terminal (NADH_dhqG_C) | NADH-ubiquinone oxidoreductase subunit G, C-terminal | - | Family |
| NA [auth M] | PF10588 | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region (NADH-G_4Fe-4S_3) | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region | Domain | |
| NA [auth M] | PF00499 | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3) | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 | - | Family |
| OA [auth N] | PF05071 | NADH ubiquinone oxidoreductase subunit NDUFA12 (NDUFA12) | NADH ubiquinone oxidoreductase subunit NDUFA12 | - | Family |
| PA [auth O] | PF07225 | NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) (NDUF_B4) | NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4) | - | Family |
| PA [auth O] | PF01257 | Thioredoxin-like [2Fe-2S] ferredoxin (2Fe-2S_thioredx) | Thioredoxin-like [2Fe-2S] ferredoxin | - | Family |
| QA [auth P] | PF00329 | Respiratory-chain NADH dehydrogenase, 30 Kd subunit (Complex1_30kDa) | Respiratory-chain NADH dehydrogenase, 30 Kd subunit | Domain | |
| QA [auth P] | PF05347 | Complex 1 protein (LYR family) (Complex1_LYR) | Complex 1 protein (LYR family) | - | Family |
| RA [auth T] | 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 |
| RA [auth T] | 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 |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Pharos: Disease Associations Pharos Homepage Annotation
Protein Modification Annotation
| Modified Residue(s) | ||
|---|---|---|
| Chain | Residue(s) | Description |
| A [auth Q] | NMM | Parent Component: ARG |
| FA [auth E] | SEP | Parent Component: SER :  AA0037 :  O-phospho-L-serine MOD:00046 |














