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SummaryStructural detailsExperimental detailsFunctional detailsSequence NeighborHistoryDownloads

1Q90

Structure of the cytochrome b6f (plastohydroquinone : plastocyanin oxidoreductase) from Chlamydomonas reinhardtii

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)		Apocytochrome fpolymer29232109.81UniProt (P23577)
Pfam (PF16639)
Pfam (PF01333)		Chlamydomonas reinhardtii
2B
(B)		Cytochrome b6polymer21524184.51UniProt (Q00471)
Pfam (PF00033)		Chlamydomonas reinhardtii
3C
(C)		Cytochrome B6-F complex iron-sulfur subunitpolymer12713660.41UniProt (P49728)Chlamydomonas reinhardtiiRieske iron-sulfur protein, RISP
4D
(D)		Cytochrome b6-f complex subunit 4polymer15917305.61UniProt (Q42496)
Pfam (PF00032)
UniProt (by SIFTS) (P23230)		Chlamydomonas reinhardtii17 kDa polypeptide
5E
(R)		Cytochrome B6-F complex iron-sulfur subunitpolymer494707.31UniProt (P23230)
UniProt (by SIFTS) (P49728)		Chlamydomonas reinhardtiiRieske iron-sulfur protein, RISP
6F
(G)		Cytochrome b6f complex subunit petGpolymer373984.81UniProt (P49728)
Pfam (PF02529)
UniProt (by SIFTS) (Q08362)		Chlamydomonas reinhardtiiCytochrome b6-f complex subunit V
7G
(L)		Cytochrome b6f complex subunit petLpolymer323438.31UniProt (P50369)
Pfam (PF05115)		Chlamydomonas reinhardtiiCytochrome b6-f complex subunit VI
8H
(M)		Cytochrome b6f complex subunit PETMpolymer394037.81UniProt (Q08362)
UniProt (by SIFTS) (Q42496)		Chlamydomonas reinhardtiiCytochrome b6-f complex subunit 7
9I
(N)		Cytochrome b6f complex subunit PETNpolymer313283.81UniProt (P50369)
UniProt (by SIFTS) (P0C1D4)		Chlamydomonas reinhardtii
10J, K, L, M
(A, B)		HEME Cnon-polymer618.54Chemie (HEC)
11N
(B)		BETA-CAROTENEnon-polymer536.91Chemie (BCR)
PubChem (573)
PubChem (21672398)
PubChem (176490061)
PubChem (177696266)
PubChem (46783370)
PubChem (46846294)
PubChem (54603957)
PubChem (54612003)
PubChem (86765360)
PubChem (5315709)
PubChem (5280489)
PubChem (91827292)
PubChem (92863345)
PubChem (5353436)
PubChem (5356616)
PubChem (5927371)
PubChem (124919640)
PubChem (92863346)
PubChem (92863347)
PubChem (92863348)
PubChem (6477957)
PubChem (100990628)
PubChem (101525094)
PubChem (101525095)
PubChem (9828626)
PubChem (10256668)
PubChem (12305639)
PubChem (12305640)
PubChem (12305642)
PubChem (12305644)
PubChem (12305647)
PubChem (12305652)
PubChem (146673260)
PubChem (152743364)
PubChem (124919639)
PubChem (160505766)
PubChem (129651951)
PubChem (132274419)
PubChem (145925599)
PubChem (159562859)
PubChem (172654026)
PubChem (172878405)
PubChem (173398668)
12O
(B)		EICOSANEnon-polymer282.51Chemie (LFA)
PubChem (8222)
13P
(C)		FE2/S2 (INORGANIC) CLUSTERnon-polymer175.81Chemie (FES)
14Q
(D)		CHLOROPHYLL Anon-polymer893.51Chemie (CLA)
15R
(D)		8-HYDROXY-5,7-DIMETHOXY-3-METHYL-2-TRIDECYL-4H-CHROMEN-4-ONEnon-polymer418.61Chemie (TDS)
PubChem (448047)
16S, U
(D, L)		1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDEnon-polymer787.22Chemie (LMG)
17T
(R)		1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROLnon-polymer795.11Chemie (SQD)
PubChem (25147486)
PubChem (25235342)
PubChem (42607399)
PubChem (159321)
PubChem (481096)
PubChem (5459390)
PubChem (102201395)
PubChem (134765349)
PubChem (9810997)
PubChem (9918745)
PubChem (10219110)
PubChem (10373133)
PubChem (14463145)
18V
(B)		waterwater18.02Chemie (HOH)
Sequence modifications
A: 1 - 286 (UniProt: P23577)
PDBExternal DatabaseDetails
His 287-expression tag
His 288-expression tag
His 289-expression tag
His 290-expression tag
His 291-expression tag
His 292-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains9
Total formula weight106712.4
Non-Polymers*Number of molecules12
Total formula weight7150.7
All*Total formula weight113863.2
*Water molecules are not included.

253091

PDB entries from 2026-05-06

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