1Q90
Structure of the cytochrome b6f (plastohydroquinone : plastocyanin oxidoreductase) from Chlamydomonas reinhardtii
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: MemProtMD
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) |
---|---|---|---|---|---|
B | SCOP2 Family | Cytochrome b of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8027537 | 4002208 | SCOP2 (2022-06-29) |
B | SCOP2 Superfamily | Transmembrane di-heme cytochromes | 8039916 | 3000517 | SCOP2 (2022-06-29) |
C | SCOP2 Family | Rieske iron-sulfur protein (ISP) | 8027538 | 4001667 | SCOP2 (2022-06-29) |
C | SCOP2 Superfamily | ISP domain | 8039917 | 3000233 | SCOP2 (2022-06-29) |
A | SCOP2 Family | Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor | 8027536 | 4001680 | SCOP2 (2022-06-29) |
A | SCOP2 Superfamily | Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor | 8039915 | 3000244 | SCOP2 (2022-06-29) |
A | SCOP2B Superfamily | Rudiment single hybrid motif | 8043111 | 3001910 | SCOP2B (2022-06-29) |
A | SCOP2B Superfamily | cytochrome f, large domain | 8040246 | 3000800 | SCOP2B (2022-06-29) |
A | SCOP2B Superfamily | cytochrome f, large domain | 8040246 | 3000800 | SCOP2B (2022-06-29) |
D | SCOP2 Family | a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8027540 | 4002216 | SCOP2 (2022-06-29) |
D | SCOP2 Superfamily | a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | 8039919 | 3000966 | SCOP2 (2022-06-29) |
E [auth R] | SCOP2 Family | ISP transmembrane anchor | 8027548 | 4002051 | SCOP2 (2022-06-29) |
E [auth R] | SCOP2 Superfamily | ISP transmembrane anchor | 8039927 | 3000753 | SCOP2 (2022-06-29) |
F [auth G] | SCOP2 Family | PetG subunit of the cytochrome b6f complex | 8027542 | 4001700 | SCOP2 (2022-06-29) |
F [auth G] | SCOP2 Superfamily | PetG subunit of the cytochrome b6f complex | 8039921 | 3000270 | SCOP2 (2022-06-29) |
G [auth L] | SCOP2 Family | PetL subunit of the cytochrome b6f complex | 8027544 | 4001686 | SCOP2 (2022-06-29) |
G [auth L] | SCOP2 Superfamily | PetL subunit of the cytochrome b6f complex | 8039923 | 3000253 | SCOP2 (2022-06-29) |
H [auth M] | SCOP2 Family | PetM subunit of the cytochrome b6f complex | 8027545 | 4001695 | SCOP2 (2022-06-29) |
H [auth M] | SCOP2 Superfamily | PetM subunit of the cytochrome b6f complex | 8039924 | 3000262 | SCOP2 (2022-06-29) |
I [auth N] | SCOP2 Family | PetN subunit of the cytochrome b6f complex | 8027547 | 4001705 | SCOP2 (2022-06-29) |
I [auth N] | SCOP2 Superfamily | PetN subunit of the cytochrome b6f complex | 8039926 | 3000279 | 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) |
---|---|---|---|---|---|---|---|---|
B | Cytochrome_B | e1q90B1 | A: alpha bundles | X: Transmembrane heme-binding four-helical bundle (From Homology) | H: Transmembrane heme-binding four-helical bundle | T: Transmembrane di-heme cytochromes | F: Cytochrome_B | ECOD (1.6) |
C | Rieske_cytochrome_b6f | e1q90C1 | A: beta sandwiches | X: ISP domain (From Topology) | H: ISP domain (From Topology) | T: ISP domain | F: Rieske_cytochrome_b6f | ECOD (1.6) |
C | Rieske_4 | e1q90C2 | A: few secondary structure elements | X: Trm112p-like (From Topology) | H: Trm112p-like (From Topology) | T: Trm112p-like | F: Rieske_4 | ECOD (1.6) |
A | Apocytochr_F_N | e1q90A1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Common fold of diphtheria toxin/transcription factors/cytochrome f | F: Apocytochr_F_N | ECOD (1.6) |
A | Apocytochr_F_C_N | e1q90A3 | A: a+b complex topology | X: alpha/beta-Hammerhead/Barrel-sandwich hybrid | H: alpha/beta-Hammerhead/Barrel-sandwich hybrid | T: Single hybrid motif | F: Apocytochr_F_C_N | ECOD (1.6) |
A | Apocytochr_F_C_C | e1q90A2 | A: extended segments | X: Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor (From Topology) | H: Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor (From Topology) | T: Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor | F: Apocytochr_F_C_C | ECOD (1.6) |
D | Cytochrom_B_C | e1q90D1 | A: alpha bundles | X: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | H: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) (From Topology) | T: a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) | F: Cytochrom_B_C | ECOD (1.6) |
E [auth R] | CytB6-F_Fe-S | e1q90R1 | A: extended segments | X: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology) | T: iron-sulfur subunit (ISP) transmembrane anchor | F: CytB6-F_Fe-S | ECOD (1.6) |
F [auth G] | PetG | e1q90G1 | A: extended segments | X: PetG subunit of the cytochrome b6f complex (From Topology) | H: PetG subunit of the cytochrome b6f complex (From Topology) | T: PetG subunit of the cytochrome b6f complex | F: PetG | ECOD (1.6) |
G [auth L] | PetL | e1q90L1 | A: extended segments | X: PetL subunit of the cytochrome b6f complex (From Topology) | H: PetL subunit of the cytochrome b6f complex (From Topology) | T: PetL subunit of the cytochrome b6f complex | F: PetL | ECOD (1.6) |
H [auth M] | PetM | e1q90M1 | A: extended segments | X: PetM subunit of the cytochrome b6f complex (From Topology) | H: PetM subunit of the cytochrome b6f complex (From Topology) | T: PetM subunit of the cytochrome b6f complex | F: PetM | ECOD (1.6) |
I [auth N] | PetN | e1q90N1 | A: extended segments | X: PetN subunit of the cytochrome b6f complex (From Topology) | H: PetN subunit of the cytochrome b6f complex (From Topology) | T: PetN subunit of the cytochrome b6f complex | F: PetN | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
B | 1.20.810.10 | Mainly Alpha | Up-down Bundle | Cytochrome Bc1 Complex | Chain C | CATH (4.3.0) |
C | 2.102.10.10 | Mainly Beta | 3-layer Sandwich | Rieske Iron-sulfur Protein | Rieske [2Fe-2S] iron-sulphur domain | CATH (4.3.0) |
A | 2.60.40.830 | Mainly Beta | Sandwich | Immunoglobulin-like | Cytochrome f large domain | CATH (4.3.0) |
A | 2.40.50.100 | Mainly Beta | Beta Barrel | OB fold (Dihydrolipoamide Acetyltransferase, E2P) | RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain | CATH (4.3.0) |
D | 1.20.5.510 | Mainly Alpha | Up-down Bundle | Single alpha-helices involved in coiled-coils or other helix-helix interfaces | Single helix bin | CATH (4.3.0) |
D | 1.10.287.980 | Mainly Alpha | Orthogonal Bundle | Helix Hairpins | plastocyanin oxidoreductase | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF00033 | Cytochrome b/b6/petB (Cytochrome_B) | Cytochrome b/b6/petB | - | Domain | |
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 | |
PF16639 | Apocytochrome F, N-terminal (Apocytochr_F_N) | Apocytochrome F, N-terminal | This is the N-terminal domain of cytochrome f. It is a soluble lumen-side domain [1]. | Domain | |
PF01333 | Apocytochrome F, C-terminal (Apocytochr_F_C) | Apocytochrome F, C-terminal | This is a sub-family of cytochrome C. See Pfam:PF00034. | Domain | |
PF00032 | Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C) | Cytochrome b(C-terminal)/b6/petD | - | Domain | |
F [auth G] | PF02529 | Cytochrome B6-F complex subunit 5 (PetG) | Cytochrome B6-F complex subunit 5 | - | Family |
G [auth L] | PF05115 | Cytochrome B6-F complex subunit VI (PetL) (PetL) | Cytochrome B6-F complex subunit VI (PetL) | - | Family |
I [auth N] | PF03742 | PetN (PetN) | PetN | - | 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 III (bc1 and b6f) superfamily | Cytochrome bc1 and b6f complexes |
Membrane Protein Annotation: PDBTM PDBTM Database Homepage
Chains | External Link | Comment |
---|---|---|
PDBTM | Annotated as membrane protein by PDBTM |
Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage
Chains | External Link | Comment |
---|---|---|
MemProtMD | Annotated as membrane protein by MemProtMD |