Complex I from Ovis aries at pH5.5, Closed state
External Resource: Annotation
- Domain Annotation: SCOP2 Classification
- Domain Annotation: ECOD Classification
- Domain Annotation: CATH
- Protein Family Annotation
- Gene Ontology: Gene Product Annotation
- InterPro: Protein Family Classification
- Membrane Protein Annotation: OPM
- Membrane Protein Annotation: PDBTM
- Membrane Protein Annotation: mpstruc
- Protein Modification Annotation
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| U [auth K] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8053514 | 3002200 | SCOP2B (2022-06-29) |
| X [auth N] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8047670 | 3002280 | SCOP2B (2022-06-29) |
| X [auth N] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054160 | 3002280 | SCOP2B (2022-06-29) |
| W [auth M] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8048501 | 3002280 | SCOP2B (2022-06-29) |
| W [auth M] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054155 | 3002280 | SCOP2B (2022-06-29) |
| V [auth L] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8048258 | 3002280 | SCOP2B (2022-06-29) |
| V [auth L] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8047664 | 3002280 | SCOP2B (2022-06-29) |
| T [auth J] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8053518 | 3002200 | SCOP2B (2022-06-29) |
| S [auth H] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054146 | 3002280 | SCOP2B (2022-06-29) |
| R [auth A] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8106704 | 3002200 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| U [auth K] | e7zdmK1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| RA [auth y] | e7zdmy1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| I [auth b] | e7zdmb1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| G [auth 9] | e7zdm91 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| F [auth 6] | e7zdm61 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| E [auth 5] | e7zdm51 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| SA [auth z] | e7zdmz1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| QA [auth x] | e7zdmx1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| NA [auth u] | e7zdmu1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| MA [auth t] | e7zdmt1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| JA [auth q] | e7zdmq1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| HA [auth o] | e7zdmo1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| FA [auth m] | e7zdmm1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| EA [auth l] | e7zdml1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| C [auth 3] | e7zdm31 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| DA [auth k] | e7zdmk1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| CA [auth Z] | e7zdmZ1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| BA [auth Y] | e7zdmY1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| Z [auth W] | e7zdmW1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| X [auth N] | e7zdmN1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| W [auth M] | e7zdmM1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| V [auth L] | e7zdmL1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| T [auth J] | e7zdmJ1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| B [auth 2] | e7zdm21 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| S [auth H] | e7zdmH1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| R [auth A] | e7zdmA1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| Q [auth j] | e7zdmj1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| AA [auth X] | e7zdmX1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| P [auth i] | e7zdmi1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| N [auth g] | e7zdmg1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| M [auth f] | e7zdmf1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| L [auth e] | e7zdme1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| K [auth d] | e7zdmd1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| J [auth c] | e7zdmc1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) | |
| A [auth 1] | e7zdm11 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Glycos_transf_N | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| R [auth A] | 1.20.58.1610 | Mainly Alpha | Up-down Bundle | Methane Monooxygenase Hydroxylase | Chain G, domain 1 | CATH (utative) |
| A [auth 1] | 3.40.50.11540 | Alpha Beta | 3-Layer(aba) Sandwich | Rossmann fold | NADH-ubiquinone oxidoreductase 51kDa subunit | CATH (utative) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| U [auth K] | PF00420 | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2) | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L | - | Family |
| C [auth 3] | PF00384 | Molybdopterin oxidoreductase (Molybdopterin) | Molybdopterin oxidoreductase | Domain | |
| C [auth 3] | 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 |
| C [auth 3] | 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 |
| C [auth 3] | PF09326 | NADH-ubiquinone oxidoreductase subunit G, C-terminal (NADH_dhqG_C) | NADH-ubiquinone oxidoreductase subunit G, C-terminal | - | Family |
| C [auth 3] | 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 |
| C [auth 3] | PF10588 | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region (NADH-G_4Fe-4S_3) | NADH-ubiquinone oxidoreductase-G iron-sulfur binding region | Domain | |
| X [auth N] | 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 |
| X [auth N] | 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 |
| W [auth M] | 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 |
| W [auth M] | 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 |
| V [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 |
| V [auth L] | 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 |
| V [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 |
| T [auth J] | PF00499 | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3) | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 | - | Family |
| S [auth H] | PF00146 | NADH dehydrogenase (NADHdh) | NADH dehydrogenase | - | Family |
| R [auth A] | PF00507 | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 (Oxidored_q4) | NADH-ubiquinone/plastoquinone oxidoreductase, chain 3 | - | 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 |
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | Electron Transport Chain Complexes: Complex I | Respiratory Complex I, pH5.5, Open state |
Protein Modification Annotation
| Modified Residue(s) | ||
|---|---|---|
| Chain | Residue(s) | Description |
| U [auth K] | FME | Parent Component: MET :  AA0021 , AA0566 :  N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 |
| D [auth 4] | 2MR | Parent Component: ARG :  AA0021 , AA0566 , AA0067 :  N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 , symmetric dimethyl-L-arginine MOD:00076 |
| DA [auth k] | SEP | Parent Component: SER :  AA0021 , AA0566 , AA0067 , AA0037 :  N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 , symmetric dimethyl-L-arginine MOD:00076 , O-phospho-L-serine MOD:00046 |
| Y [auth V] | AYA | Parent Component: ALA :  AA0021 , AA0566 , AA0067 , AA0037 |
| W [auth M] | FME | Parent Component: MET :  AA0021 , AA0566 , AA0067 , AA0037 , AA0021 , AA0566 :  N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 , symmetric dimethyl-L-arginine MOD:00076 , O-phospho-L-serine MOD:00046 , N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 |
| V [auth L] | FME | Parent Component: MET :  AA0021 , AA0566 , AA0067 , AA0037 , AA0021 , AA0566 , AA0021 , AA0566 :  N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 , symmetric dimethyl-L-arginine MOD:00076 , O-phospho-L-serine MOD:00046 , N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 , N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 |
| O [auth h] | AYA | Parent Component: ALA :  AA0021 , AA0566 , AA0067 , AA0037 , AA0021 , AA0566 , AA0021 , AA0566 |














