Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyTransmembrane di-heme cytochromes 8083550 3000517 SCOP2B (2022-06-29)
BSCOP2B Superfamilya domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) 8078665 3000966 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyPetM subunit of the cytochrome b6f complex 8083554 3000262 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyPetN subunit of the cytochrome b6f complex 8076381 3000279 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyRudiment single hybrid motif 8032341 3001910 SCOP2B (2022-06-29)
CSCOP2B Superfamilycytochrome f, large domain 8032340 3000800 SCOP2B (2022-06-29)
CSCOP2B Superfamilycytochrome f, large domain 8032340 3000800 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ACytochrome_Be4h44A1 A: alpha bundlesX: Transmembrane heme-binding four-helical bundle (From Homology)H: Transmembrane heme-binding four-helical bundleT: Transmembrane di-heme cytochromesF: Cytochrome_BECOD (1.6)
BCytochrom_B_Ce4h44B1 A: alpha bundlesX: 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_CECOD (1.6)
DRieske_cytochrome_b6fe4h44D5 A: beta sandwichesX: ISP domain (From Topology)H: ISP domain (From Topology)T: ISP domainF: Rieske_cytochrome_b6fECOD (1.6)
DRieske_4e4h44D4 A: few secondary structure elementsX: Trm112p-like (From Topology)H: Trm112p-like (From Topology)T: Trm112p-likeF: Rieske_4ECOD (1.6)
DCytB6-F_Fe-Se4h44D2 A: extended segmentsX: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)H: iron-sulfur subunit (ISP) transmembrane anchor (From Topology)T: iron-sulfur subunit (ISP) transmembrane anchorF: CytB6-F_Fe-SECOD (1.6)
FPetMe4h44F1 A: extended segmentsX: 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 complexF: PetMECOD (1.6)
HPetNe4h44H1 A: extended segmentsX: 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 complexF: PetNECOD (1.6)
CApocytochr_F_Ne4h44C4 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Common fold of diphtheria toxin/transcription factors/cytochrome fF: Apocytochr_F_NECOD (1.6)
CApocytochr_F_C_Ne4h44C3 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: Apocytochr_F_C_NECOD (1.6)
CApocytochr_F_C_Ce4h44C2 A: extended segmentsX: 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 anchorF: Apocytochr_F_C_CECOD (1.6)
EPetL_1e4h44E1 A: extended segmentsX: 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 complexF: PetL_1ECOD (1.6)
GPetGe4h44G1 A: extended segmentsX: 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 complexF: PetGECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00033Cytochrome b/b6/petB (Cytochrome_B)Cytochrome b/b6/petB- Domain
PF00032Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)Cytochrome b(C-terminal)/b6/petD- Domain
PF00355Rieske [2Fe-2S] domain (Rieske)Rieske [2Fe-2S] domainThe 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 ...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 this motif form a disulphide bridge, which stabilises the protein [4].
Domain
PF08041PetM family of cytochrome b6f complex subunit 7 (PetM)PetM family of cytochrome b6f complex subunit 7- Family
PF03742PetN (PetN)PetN- Family
PF16639Apocytochrome F, N-terminal (Apocytochr_F_N)Apocytochrome F, N-terminalThis is the N-terminal domain of cytochrome f. It is a soluble lumen-side domain [1].Domain
PF01333Apocytochrome F, C-terminal (Apocytochr_F_C)Apocytochrome F, C-terminalThis is a sub-family of cytochrome C. See Pfam:PF00034.Domain
PF05115Cytochrome B6-F complex subunit VI (PetL) (PetL)Cytochrome B6-F complex subunit VI (PetL)- Family
PF02529Cytochrome B6-F complex subunit 5 (PetG)Cytochrome B6-F complex subunit 5- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Cytochrome b6
Cytochrome b6-f complex subunit 4
Cytochrome b6-f complex iron-sulfur subunit 1
Cytochrome b6-f complex subunit 7
Cytochrome b6-f complex subunit 8
Apocytochrome f
Cytochrome b6-f complex subunit 6
Cytochrome b6-f complex subunit 5

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

ChainsExternal LinkComment
A, B, C, D, E
PDBTMAnnotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

ChainsExternal LinkComment
A, B, C, D, E
MemProtMDAnnotated as membrane protein by MemProtMD