The III2-IV(5B)2 respiratory supercomplex from S. cerevisiae
External Resource: Annotation
- Domain Annotation: SCOP/SCOPe Classification
- 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: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| S [auth T] | SCOP2B Superfamily | Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040319 | 3000779 | SCOP2B (2022-06-29) |
| I | SCOP2B Superfamily | Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040319 | 3000779 | SCOP2B (2022-06-29) |
| R [auth S] | SCOP2B Superfamily | Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040318 | 3000770 | SCOP2B (2022-06-29) |
| H | SCOP2B Superfamily | Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040318 | 3000770 | SCOP2B (2022-06-29) |
| Q [auth R] | SCOP2B Superfamily | 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040315 | 3000797 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | 14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040315 | 3000797 | SCOP2B (2022-06-29) |
| P [auth Q] | SCOP2B Superfamily | Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040312 | 3000806 | SCOP2B (2022-06-29) |
| F | SCOP2B Superfamily | Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040312 | 3000806 | SCOP2B (2022-06-29) |
| O [auth P] | SCOP2B Superfamily | ISP domain | 8040307 | 3000233 | SCOP2B (2022-06-29) |
| O [auth P] | SCOP2B Superfamily | ISP transmembrane anchor | 8040308 | 3000753 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | ISP domain | 8040307 | 3000233 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | ISP transmembrane anchor | 8040308 | 3000753 | SCOP2B (2022-06-29) |
| N [auth O] | SCOP2B Superfamily | Cytochrome c | 8040304 | 3000815 | SCOP2B (2022-06-29) |
| N [auth O] | SCOP2B Superfamily | Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor | 8040305 | 3000762 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | Cytochrome c | 8040304 | 3000815 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor | 8040305 | 3000762 | SCOP2B (2022-06-29) |
| M [auth N] | SCOP2B Superfamily | Transmembrane di-heme cytochromes | 8040302 | 3000517 | SCOP2B (2022-06-29) |
| M [auth N] | SCOP2B Superfamily | a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040299 | 3000966 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8040299 | 3000966 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | Transmembrane di-heme cytochromes | 8040302 | 3000517 | SCOP2B (2022-06-29) |
| QA [auth w] | SCOP2B Superfamily | Cytochrome c oxidase subunit h | 8095569 | 3000395 | SCOP2B (2022-06-29) |
| DA [auth j] | SCOP2B Superfamily | Cytochrome c oxidase subunit h | 8095569 | 3000395 | SCOP2B (2022-06-29) |
| L [auth M] | SCOP2B Superfamily | LuxS/MPP-like metallohydrolase | 8040300 | 3001831 | SCOP2B (2022-06-29) |
| L [auth M] | SCOP2B Superfamily | LuxS/MPP-like metallohydrolase | 8040297 | 3001831 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | LuxS/MPP-like metallohydrolase | 8040300 | 3001831 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | LuxS/MPP-like metallohydrolase | 8040297 | 3001831 | SCOP2B (2022-06-29) |
| Z [auth f] | SCOP2B Superfamily | Cytochrome c oxidase subunit E | 8095803 | 3001402 | SCOP2B (2022-06-29) |
| MA [auth s] | SCOP2B Superfamily | Cytochrome c oxidase subunit E | 8095803 | 3001402 | SCOP2B (2022-06-29) |
| W [auth c] | SCOP2B Superfamily | Cytochrome c oxidase subunit III-like | 8095567 | 3000671 | SCOP2B (2022-06-29) |
| JA [auth p] | SCOP2B Superfamily | Cytochrome c oxidase subunit III-like | 8095567 | 3000671 | SCOP2B (2022-06-29) |
| U [auth a] | SCOP2 Family | Cytochrome c oxidase subunit I-like | 8095114 | 4001989 | SCOP2 (2022-06-29) |
| U [auth a] | SCOP2 Superfamily | Cytochrome c oxidase subunit I-like | 8095115 | 3000653 | SCOP2 (2022-06-29) |
| HA [auth n] | SCOP2B Superfamily | Cytochrome c oxidase subunit I-like | 8095115 | 3000653 | SCOP2B (2022-06-29) |
| K [auth L] | SCOP2B Superfamily | LuxS/MPP-like metallohydrolase | 8040294 | 3001831 | SCOP2B (2022-06-29) |
| K [auth L] | SCOP2B Superfamily | LuxS/MPP-like metallohydrolase | 8040292 | 3001831 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | LuxS/MPP-like metallohydrolase | 8040294 | 3001831 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | LuxS/MPP-like metallohydrolase | 8040292 | 3001831 | 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) |
|---|---|---|---|---|---|---|---|---|
| S [auth T] | e6t0bT1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| I | e6t0bI1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| R [auth S] | e6t0bS1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| H | e6t0bH1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| Q [auth R] | e6t0bR1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| G | e6t0bG1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| P [auth Q] | e6t0bQ1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| F | e6t0bF1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| O [auth P] | e6t0bP1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| E | e6t0bE1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| N [auth O] | e6t0bO1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| D | e6t0bD1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| M [auth N] | e6t0bN1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| C | e6t0bC1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| TA [auth z] | e6t0bz1 | 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: Ribosomal_L30 | F: | ECOD (20:10:01) | |
| GA [auth m] | e6t0bm1 | 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: Ribosomal_L30 | F: | ECOD (20:10:01) | |
| RA [auth x] | e6t0bx1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| EA [auth k] | e6t0bk1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| QA [auth w] | e6t0bw1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| DA [auth j] | e6t0bj1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| L [auth M] | e6t0bM1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| B | e6t0bB1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| OA [auth u] | e6t0bu1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| BA [auth h] | e6t0bh1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| NA [auth t] | e6t0bt1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| AA [auth g] | e6t0bg1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| Z [auth f] | e6t0bf1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| MA [auth s] | e6t0bs1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| Y [auth e] | e6t0be1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| LA [auth r] | e6t0br1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| X [auth d] | e6t0bd1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| KA [auth q] | e6t0bq1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| W [auth c] | e6t0bc1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| JA [auth p] | e6t0bp1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| V [auth b] | e6t0bb1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| IA [auth o] | e6t0bo1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| U [auth a] | e6t0ba1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| HA [auth n] | e6t0bn1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| T [auth U] | e6t0bU1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| J | e6t0bJ1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| K [auth L] | e6t0bL1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) | |
| A | e6t0bA1 | 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: Ribosomal_L41 | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| I, S [auth T] | PF05365 | Cytochrome b-c1 complex subunit 9 (UCR_UQCRX_QCR9) | Cytochrome b-c1 complex subunit 9 | - | Family |
| I, S [auth T] | PF02238 | Cytochrome c oxidase subunit VII (COX7a) | Cytochrome c oxidase subunit VII | - | Family |
| H, R [auth S] | PF02935 | Cytochrome c oxidase subunit VIIc (COX7C) | Cytochrome c oxidase subunit VIIc | - | Family |
| H, R [auth S] | PF02939 | UcrQ family (UcrQ) | UcrQ family | - | Family |
| H, R [auth S] | PF02284 | Cytochrome c oxidase subunit Va (COX5A) | Cytochrome c oxidase subunit Va | 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 cytochrome c oxidase subunit Va. | Domain |
| G, Q [auth R] | PF02936 | Cytochrome c oxidase subunit IV (COX4) | Cytochrome c oxidase subunit IV | - | Family |
| G, Q [auth R] | PF02271 | Ubiquinol-cytochrome C reductase complex 14kD subunit (UCR_14kD) | Ubiquinol-cytochrome C reductase complex 14kD subunit | - | Family |
| G, Q [auth R] | PF02238 | Cytochrome c oxidase subunit VII (COX7a) | Cytochrome c oxidase subunit VII | - | Family |
| F, P [auth Q] | PF02284 | Cytochrome c oxidase subunit Va (COX5A) | Cytochrome c oxidase subunit Va | 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 cytochrome c oxidase subunit Va. | Domain |
| F, P [auth Q] | 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 |
| E, O [auth P] | PF02921 | Ubiquinol cytochrome reductase transmembrane region (UCR_TM) | Ubiquinol cytochrome reductase transmembrane region | - | Family |
| E, O [auth P] | PF00355 | Rieske [2Fe-2S] domain (Rieske) | Rieske [2Fe-2S] domain | The rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in ... | Domain |
| D, N [auth O] | PF00116 | Cytochrome C oxidase subunit II, periplasmic domain (COX2) | Cytochrome C oxidase subunit II, periplasmic domain | Domain | |
| D, N [auth O] | PF02167 | Cytochrome C1 family (Cytochrom_C1) | Cytochrome C1 family | - | Family |
| C, M [auth N] | PF00032 | Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C) | Cytochrome b(C-terminal)/b6/petD | Domain | |
| C, M [auth N] | PF00033 | Cytochrome b/b6/petB (Cytochrome_B) | Cytochrome b/b6/petB | Domain | |
| C, M [auth N] | PF00510 | Cytochrome c oxidase subunit III (COX3) | Cytochrome c oxidase subunit III | Domain | |
| C, M [auth N] | PF00115 | Cytochrome C and Quinol oxidase polypeptide I (COX1) | Cytochrome C and Quinol oxidase polypeptide I | - | Family |
| B, L [auth M] | PF00116 | Cytochrome C oxidase subunit II, periplasmic domain (COX2) | Cytochrome C oxidase subunit II, periplasmic domain | Domain | |
| B, L [auth M] | PF02790 | Cytochrome C oxidase subunit II, transmembrane domain (COX2_TM) | Cytochrome C oxidase subunit II, transmembrane domain | - | Family |
| B, L [auth M] | PF04588 | Hypoxia induced protein conserved region (HIG_1_N) | Hypoxia induced protein conserved region | - | Family |
| B, L [auth M] | PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | Family |
| J, T [auth U] | PF09796 | Ubiquinol-cytochrome-c reductase complex subunit (QCR10) (QCR10) | Ubiquinol-cytochrome-c reductase complex subunit (QCR10) | - | Family |
| J, T [auth U] | PF02935 | Cytochrome c oxidase subunit VIIc (COX7C) | Cytochrome c oxidase subunit VIIc | - | Family |
| J, T [auth U] | 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 |
| A, K [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, K [auth L] | PF00675 | Insulinase (Peptidase family M16) (Peptidase_M16) | Insulinase (Peptidase family M16) | - | 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 |
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | Electron Transport Chain Supercomplexes (Respirasome) | III2-IV(5B)1 respiratory supercomplex |














