Murine supercomplex CIII2CIV in the intermediate locked conformation
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
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| G [auth H] | SCOP2B Superfamily | Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8105459 | 3000806 | SCOP2B (2022-06-29) |
| N [auth S] | SCOP2B Superfamily | Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8105459 | 3000806 | SCOP2B (2022-06-29) |
| W [auth g] | SCOP2 Family | Mitochondrial cytochrome c oxidase subunit VIa | 8105440 | 4001944 | SCOP2 (2022-06-29) |
| W [auth g] | SCOP2 Superfamily | Mitochondrial cytochrome c oxidase subunit VIa | 8105441 | 3000592 | SCOP2 (2022-06-29) |
| BA [auth m] | SCOP2B Superfamily | Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX) | 8105443 | 3000633 | SCOP2B (2022-06-29) |
| F [auth G] | SCOP2B Superfamily | Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8105495 | 3000770 | SCOP2B (2022-06-29) |
| M [auth R] | SCOP2B Superfamily | Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8105495 | 3000770 | SCOP2B (2022-06-29) |
| AA [auth l] | SCOP2B Superfamily | Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) | 8105433 | 3000624 | SCOP2B (2022-06-29) |
| Z [auth k] | SCOP2B Superfamily | Mitochondrial cytochrome c oxidase subunit VIIb | 8105447 | 3000613 | SCOP2B (2022-06-29) |
| Y [auth i] | SCOP2 Family | Mitochondrial cytochrome c oxidase subunit VIc | 8105490 | 4001949 | SCOP2 (2022-06-29) |
| Y [auth i] | SCOP2 Superfamily | Mitochondrial cytochrome c oxidase subunit VIc | 8105491 | 3000598 | SCOP2 (2022-06-29) |
| X [auth h] | SCOP2B Superfamily | Cytochrome c oxidase subunit h | 8105445 | 3000395 | SCOP2B (2022-06-29) |
| V [auth f] | SCOP2 Family | Cytochrome c oxidase Subunit F | 8105434 | 4003692 | SCOP2 (2022-06-29) |
| V [auth f] | SCOP2 Superfamily | Rubredoxin-like | 8105435 | 3001257 | SCOP2 (2022-06-29) |
| U [auth e] | SCOP2B Superfamily | Cytochrome c oxidase subunit E | 8105431 | 3001402 | SCOP2B (2022-06-29) |
| T [auth d] | SCOP2B Superfamily | Mitochondrial cytochrome c oxidase subunit IV | 8105437 | 3000582 | SCOP2B (2022-06-29) |
| S [auth c] | SCOP2 Family | Cytochrome c oxidase subunit III-like | 8105418 | 4002000 | SCOP2 (2022-06-29) |
| S [auth c] | SCOP2 Superfamily | Cytochrome c oxidase subunit III-like | 8105419 | 3000671 | SCOP2 (2022-06-29) |
| Q [auth a] | SCOP2B Superfamily | Cytochrome c oxidase subunit I-like | 8105417 | 3000653 | 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) |
|---|---|---|---|---|---|---|---|---|
| D | e7o3eD1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| EA [auth O] | e7o3eO1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| G [auth H] | e7o3eH1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| N [auth S] | e7o3eS1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| W [auth g] | e7o3eg1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| BA [auth m] | e7o3em1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| O [auth T] | e7o3eT1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| F [auth G] | e7o3eG1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| M [auth R] | e7o3eR1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| E [auth F] | e7o3eF1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| L [auth Q] | e7o3eQ1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| C | e7o3eC1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| J [auth N] | e7o3eN1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| DA [auth U] | e7o3eU1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| CA [auth J] | e7o3eJ1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| AA [auth l] | e7o3el1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| Z [auth k] | e7o3ek1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| B | e7o3eB1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| I [auth M] | e7o3eM1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| Y [auth i] | e7o3ei1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| X [auth h] | e7o3eh1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| V [auth f] | e7o3ef1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| U [auth e] | e7o3ee1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| T [auth d] | e7o3ed1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| S [auth c] | e7o3ec1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| R [auth b] | e7o3eb1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| Q [auth a] | e7o3ea1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| A | e7o3eA1 | 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: Secretin_N | F: | ECOD (20:10:01) | |
| H [auth L] | e7o3eL1 | 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: Secretin_N | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| R [auth b] | 1.10.287.90 | Mainly Alpha | Orthogonal Bundle | Helix Hairpins | CATH (utative) | |
| R [auth b] | 2.60.40.420 | Mainly Beta | Sandwich | Immunoglobulin-like | Cupredoxins - blue copper proteins | CATH (utative) |
| Q [auth a] | 1.20.210.10 | Mainly Alpha | Up-down Bundle | Cytochrome C Oxidase | Chain A | CATH (utative) |
| A | 3.30.830.10 | Alpha Beta | 2-Layer Sandwich | Cytochrome Bc1 Complex | Chain A, domain 1 | CATH (utative) |
| H [auth L] | 3.30.830.10 | Alpha Beta | 2-Layer Sandwich | Cytochrome Bc1 Complex | Chain A, domain 1 | CATH (utative) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| D, EA [auth O] | PF02936 | Cytochrome c oxidase subunit IV (COX4) | Cytochrome c oxidase subunit IV | - | Family |
| D, EA [auth O] | PF02167 | Cytochrome C1 family (Cytochrom_C1) | Cytochrome C1 family | - | Family |
| G [auth H], N [auth S] | PF02320 | Ubiquinol-cytochrome C reductase hinge protein (UCR_hinge) | Ubiquinol-cytochrome C reductase hinge protein | The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c ... | Domain |
| G [auth H], N [auth S] | PF02297 | Cytochrome oxidase c subunit VIb (COX6B) | Cytochrome oxidase c subunit VIb | Cytochrome c oxidase, a 13 sub-unit complex, EC:1.9.3.1 is the terminal oxidase in the mitochondrial electron transport chain. This family is composed of the potentially heme-binding subunit IVb of the oxidase. | Domain |
| O [auth T] | PF09165 | Ubiquinol-cytochrome c reductase 8 kDa, N-terminal (Ubiq-Cytc-red_N) | Ubiquinol-cytochrome c reductase 8 kDa, N-terminal | Members of this family adopt a structure consisting of many antiparallel beta sheets, with few alpha helices, in a non-globular arrangement. They are required for proper functioning of the respiratory chain [1]. | Domain |
| K [auth P] | PF02921 | Ubiquinol cytochrome reductase transmembrane region (UCR_TM) | Ubiquinol cytochrome reductase transmembrane region | - | Family |
| F [auth G], M [auth R] | PF02939 | UcrQ family (UcrQ) | UcrQ family | - | Family |
| C, J [auth N] | PF00032 | Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C) | Cytochrome b(C-terminal)/b6/petD | Domain | |
| C, J [auth N] | PF00033 | Cytochrome b/b6/petB (Cytochrome_B) | Cytochrome b/b6/petB | Domain | |
| C, J [auth N] | PF00510 | Cytochrome c oxidase subunit III (COX3) | Cytochrome c oxidase subunit III | Domain | |
| B, I [auth M] | PF00116 | Cytochrome C oxidase subunit II, periplasmic domain (COX2) | Cytochrome C oxidase subunit II, periplasmic domain | Domain | |
| B, I [auth M] | PF05193 | Peptidase M16 inactive domain (Peptidase_M16_C) | Peptidase M16 inactive domain | Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. | Domain |
| B, I [auth M] | PF02285 | Cytochrome oxidase c subunit VIII (COX8) | Cytochrome oxidase c subunit VIII | - | Family |
| B, I [auth M] | PF02790 | Cytochrome C oxidase subunit II, transmembrane domain (COX2_TM) | Cytochrome C oxidase subunit II, transmembrane domain | - | Family |
| B, I [auth M] | PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | Family |
| P [auth I] | PF02937 | Cytochrome c oxidase subunit VIc (COX6C) | Cytochrome c oxidase subunit VIc | - | Family |
| A, H [auth L] | PF05193 | Peptidase M16 inactive domain (Peptidase_M16_C) | Peptidase M16 inactive domain | Peptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. | Domain |
| A, H [auth L] | PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | Family |
| A, H [auth L] | PF00115 | Cytochrome C and Quinol oxidase polypeptide I (COX1) | Cytochrome C and Quinol oxidase polypeptide I | - | 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 IV (cytochrome c oxidase) | Respiratory supercomplexes III-IV |
Membrane Protein Annotation: PDBTM PDBTM Database Homepage
| Chains | External Link | Comment |
|---|---|---|
| PDBTM | Annotated as membrane protein by PDBTM |














