Complex I from Ovis aries, at pH7.4, Open 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) |
|---|---|---|---|---|---|
| G [auth N] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054160 | 3002280 | SCOP2B (2022-06-29) |
| G [auth N] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8047670 | 3002280 | SCOP2B (2022-06-29) |
| F [auth M] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054155 | 3002280 | SCOP2B (2022-06-29) |
| F [auth M] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8048501 | 3002280 | SCOP2B (2022-06-29) |
| E [auth L] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8047664 | 3002280 | SCOP2B (2022-06-29) |
| E [auth L] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8048258 | 3002280 | SCOP2B (2022-06-29) |
| D [auth K] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8053514 | 3002200 | SCOP2B (2022-06-29) |
| C [auth J] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8053518 | 3002200 | SCOP2B (2022-06-29) |
| B [auth H] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054146 | 3002280 | SCOP2B (2022-06-29) |
| 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) |
|---|---|---|---|---|---|---|---|---|
| I [auth W] | e7zd6W1 | 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 N] | e7zd6N1 | 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 M] | e7zd6M1 | 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 L] | e7zd6L1 | 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 i] | e7zd6i1 | 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) | |
| PA [auth g] | e7zd6g1 | 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) | |
| OA [auth f] | e7zd6f1 | 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 e] | e7zd6e1 | 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) | |
| D [auth K] | e7zd6K1 | 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 d] | e7zd6d1 | 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) | |
| LA [auth c] | e7zd6c1 | 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) | |
| KA [auth b] | e7zd6b1 | 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) | |
| IA [auth 9] | e7zd691 | 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 6] | e7zd661 | 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) | |
| GA [auth 5] | e7zd651 | 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 3] | e7zd631 | 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 2] | e7zd621 | 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 J] | e7zd6J1 | 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 1] | e7zd611 | 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 z] | e7zd6z1 | 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 y] | e7zd6y1 | 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 x] | e7zd6x1 | 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 u] | e7zd6u1 | 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 t] | e7zd6t1 | 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 H] | e7zd6H1 | 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 q] | e7zd6q1 | 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 o] | e7zd6o1 | 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) | |
| O [auth m] | e7zd6m1 | 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 l] | e7zd6l1 | 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 k] | e7zd6k1 | 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 Z] | e7zd6Z1 | 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 Y] | e7zd6Y1 | 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 j] | e7zd6j1 | 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 X] | e7zd6X1 | 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 | e7zd6A1 | 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
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| G [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 |
| G [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 |
| F [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 |
| F [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 |
| E [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 |
| E [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 |
| E [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 |
| D [auth K] | PF00420 | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L (Oxidored_q2) | NADH-ubiquinone/plastoquinone oxidoreductase chain 4L | - | Family |
| C [auth J] | PF00499 | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 (Oxidored_q3) | NADH-ubiquinone/plastoquinone oxidoreductase chain 6 | - | Family |
| B [auth H] | PF00146 | NADH dehydrogenase (NADHdh) | NADH dehydrogenase | - | Family |
| 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 |
| H [auth V] | AYA | Parent Component: ALA |
| F [auth M] | 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 |
| E [auth L] | FME | Parent Component: MET :  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 , 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 |
| QA [auth h] | AYA | Parent Component: ALA :  AA0021 , AA0566 , AA0021 , AA0566 |
| D [auth K] | FME | Parent Component: MET :  AA0021 , AA0566 , 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 , 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 |
| FA [auth 4] | 2MR | Parent Component: ARG :  AA0021 , AA0566 , AA0021 , AA0566 , 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 , 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 , symmetric dimethyl-L-arginine MOD:00076 |
| M [auth k] | SEP | Parent Component: SER :  AA0021 , AA0566 , AA0021 , AA0566 , 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 , 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 , symmetric dimethyl-L-arginine MOD:00076 , O-phospho-L-serine MOD:00046 |














