Cryo-EM structure of human respiratory complex I transmembrane arm
External Resource: Annotation
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| 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) |
| T [auth l] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054182 | 3002280 | SCOP2B (2022-06-29) |
| T [auth l] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054181 | 3002280 | SCOP2B (2022-06-29) |
| S [auth k] | SCOP2 Family | NADH-quinone oxidoreductase NDH subunit 11-like | 8098267 | 4005793 | SCOP2 (2022-06-29) |
| S [auth k] | SCOP2 Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8098268 | 3002200 | SCOP2 (2022-06-29) |
| R [auth j] | SCOP2B Superfamily | NADH-quinone oxidoreductase, subunit 11-like | 8106934 | 3002200 | SCOP2B (2022-06-29) |
| Q [auth i] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054177 | 3002280 | SCOP2B (2022-06-29) |
| Q [auth i] | SCOP2B Superfamily | Antiporter subunits half-channel-like | 8054178 | 3002280 | SCOP2B (2022-06-29) |
| M [auth e] | SCOP2 Family | ESSS subunit of respiratory complex I | 8090229 | 4007455 | SCOP2 (2022-06-29) |
| M [auth e] | SCOP2 Superfamily | ESSS subunit of respiratory complex I | 8090230 | 3002418 | SCOP2 (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 a] | NDUF_B5 | e5xtca1 | A: extended segments | X: Mitochondrial complex I, SGDH subunit (From Topology) | H: Mitochondrial complex I, SGDH subunit (From Topology) | T: Mitochondrial complex I, SGDH subunit | F: NDUF_B5 | ECOD (1.6) |
| G [auth Y] | NADH_B2 | e5xtcY1 | A: extended segments | X: Mitochondrial complex I, AGGG subunit (From Topology) | H: Mitochondrial complex I, AGGG subunit (From Topology) | T: Mitochondrial complex I, AGGG subunit | F: NADH_B2 | ECOD (1.6) |
| F [auth X] | PP-binding | e5xtcX1 | A: alpha bundles | X: ACP-like | H: Acyl-carrier protein (ACP) (From Topology) | T: Acyl-carrier protein (ACP) | F: PP-binding | ECOD (1.6) |
| E [auth W] | GRIM-19 | e5xtcW1 | A: extended segments | X: Mitochondrial complex I, B16.6 subunit (From Topology) | H: Mitochondrial complex I, B16.6 subunit (From Topology) | T: Mitochondrial complex I, B16.6 subunit | F: GRIM-19 | ECOD (1.6) |
| C [auth U] | NADHdh_A3 | e5xtcU1 | A: extended segments | X: Mitochondrial complex I, B9 subunit (From Topology) | H: Mitochondrial complex I, B9 subunit (From Topology) | T: Mitochondrial complex I, B9 subunit | F: NADHdh_A3 | ECOD (1.6) |
| CA [auth w] | dNK_2 | e5xtcw1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: dNK_2 | ECOD (1.6) |
| AA [auth u] | CHCH | e5xtcu1 | A: few secondary structure elements | X: p8-MTCP1-related (From Topology) | H: p8-MTCP1-related (From Topology) | T: p8-MTCP1-related | F: CHCH | ECOD (1.6) |
| Z [auth s] | NADHdh | e5xtcs1 | A: alpha complex topology | X: Sodium/proton antiporter subunits-like (From Homology) | H: Sodium/proton antiporter subunits-like | T: NADH-quinone oxidoreductase subunit 8 (Nqo8)-related | F: NADHdh | ECOD (1.6) |
| Y [auth r] | Proton_antipo_M | e5xtcr1 | A: alpha complex topology | X: Sodium/proton antiporter subunits-like (From Homology) | H: Sodium/proton antiporter subunits-like | T: NADH-quinone oxidoreductase subunit L (NuoL)-related | F: Proton_antipo_M | ECOD (1.6) |
| X [auth p] | Complex1_LYR | e5xtcp1 | A: alpha bundles | X: LYR protein (From Topology) | H: LYR protein (From Topology) | T: LYR protein | F: Complex1_LYR | ECOD (1.6) |
| V [auth n] | NADH_oxidored | e5xtcn1 | A: extended segments | X: Mitochondrial complex I, MNLL subunit (From Topology) | H: Mitochondrial complex I, MNLL subunit (From Topology) | T: Mitochondrial complex I, MNLL subunit | F: NADH_oxidored | ECOD (1.6) |
| U [auth m] | Oxidored_q3_1 | e5xtcm1 | A: extended segments | X: NADH-quinone oxidoreductase subunit J (From Topology) | H: NADH-quinone oxidoreductase subunit J (From Topology) | T: NADH-quinone oxidoreductase subunit J | F: Oxidored_q3_1 | ECOD (1.6) |
| T [auth l] | Proton_antipo_M | e5xtcl1 | A: alpha complex topology | X: Sodium/proton antiporter subunits-like (From Homology) | H: Sodium/proton antiporter subunits-like | T: NADH-quinone oxidoreductase subunit L (NuoL)-related | F: Proton_antipo_M | ECOD (1.6) |
| B [auth S] | MWFE | e5xtcS1 | A: extended segments | X: Mitochondrial complex I, MWFE subunit (From Topology) | H: Mitochondrial complex I, MWFE subunit (From Topology) | T: Mitochondrial complex I, MWFE subunit | F: MWFE | ECOD (1.6) |
| S [auth k] | Oxidored_q2 | e5xtck1 | A: alpha complex topology | X: NADH-quinone oxidoreductase subunit K (From Topology) | H: NADH-quinone oxidoreductase subunit K (From Topology) | T: NADH-quinone oxidoreductase subunit K | F: Oxidored_q2 | ECOD (1.6) |
| R [auth j] | Oxidored_q4 | e5xtcj1 | A: extended segments | X: NADH-quinone oxidoreductase subunit A (From Topology) | H: NADH-quinone oxidoreductase subunit A (From Topology) | T: NADH-quinone oxidoreductase subunit A | F: Oxidored_q4 | ECOD (1.6) |
| Q [auth i] | Proton_antipo_M | e5xtci1 | A: alpha complex topology | X: Sodium/proton antiporter subunits-like (From Homology) | H: Sodium/proton antiporter subunits-like | T: NADH-quinone oxidoreductase subunit L (NuoL)-related | F: Proton_antipo_M | ECOD (1.6) |
| P [auth h] | Ndufs5 | e5xtch1 | A: alpha bundles | X: cytochrome bc1 complex 11 kDa protein-like | H: CHCH domain (From Topology) | T: CHCH domain | F: Ndufs5 | ECOD (1.6) |
| O [auth g] | NDUF_C2 | e5xtcg1 | A: extended segments | X: Mitochondrial complex I, B14.5b subunit (From Topology) | H: Mitochondrial complex I, B14.5b subunit (From Topology) | T: Mitochondrial complex I, B14.5b subunit | F: NDUF_C2 | ECOD (1.6) |
| N [auth f] | NADH_dh_m_C1 | e5xtcf1 | A: extended segments | X: Mitochondrial complex I, KFYI subunit (From Topology) | H: Mitochondrial complex I, KFYI subunit (From Topology) | T: Mitochondrial complex I, KFYI subunit | F: NADH_dh_m_C1 | ECOD (1.6) |
| L [auth d] | NDUFB10 | e5xtcd1 | A: alpha bundles | X: Mitochondrial complex I, PDSW subunit (From Topology) | H: Mitochondrial complex I, PDSW subunit (From Topology) | T: Mitochondrial complex I, PDSW subunit | F: NDUFB10 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| S [auth k] | 1.10.287.3510 | Mainly Alpha | Orthogonal Bundle | Helix Hairpins | CATH (4.3.0) | |
| R [auth j] | 1.20.58.1610 | Mainly Alpha | Up-down Bundle | Methane Monooxygenase Hydroxylase | Chain G, domain 1 | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| H [auth Z] | PF08122 | NADH-ubiquinone oxidoreductase B12 subunit family (NDUF_B12) | NADH-ubiquinone oxidoreductase B12 subunit family | - | Family |
| G [auth Y] | PF14813 | NADH dehydrogenase 1 beta subcomplex subunit 2 (NADH_B2) | NADH dehydrogenase 1 beta subcomplex subunit 2 | - | Family |
| F [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 |
| 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 |
| D [auth V] | PF05676 | NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) (NDUF_B7) | NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7) | - | 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 |
| 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 |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Pharos: Disease Associations Pharos Homepage Annotation
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 |














