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6RHZ

Structure of a minimal photosystem I from a green alga

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(1)
Chlorophyll a-b binding protein, chloroplasticpolymer19721305.21UniProt (C1K003)Dunaliella salina (Green alga)
2B
(2)
Chlorophyll a-b binding protein, Lhca2polymer20822813.81Dunaliella salina
3C
(3)
Chlorophyll a-b binding protein, chloroplasticpolymer21022732.81UniProt (C1K004)Dunaliella salina (Green alga)
4D
(4)
Chlorophyll a-b binding protein, Lhca4polymer21123131.01Dunaliella salina
5E
(A)
Photosystem I P700 chlorophyll a apoprotein A1polymer73981748.21UniProt (D0FXV2)Dunaliella salina (Green alga)PSI-A,PsaA
6F
(B)
Photosystem I P700 chlorophyll a apoprotein A2polymer73081328.01UniProt (D0FXZ0)Dunaliella salina (Green alga)PSI-B,PsaB
7G
(C)
Photosystem I iron-sulfur centerpolymer808717.11UniProt (D0FXW7)Dunaliella salina (Green alga)9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
8H
(D)
Photosystem I reaction center subunit II, PsaDpolymer14115883.31Dunaliella salina
9I
(E)
Photosystem I reaction center subunit IV, PsaEpolymer647297.21Dunaliella salina
10J
(F)
Photosystem I reaction center subunit III, PsaFpolymer16318212.91Dunaliella salina
11K
(J)
Photosystem I reaction center subunit IXpolymer404467.21UniProt (D0FXW0)Dunaliella salina (Green alga)PSI-J
12DA, L, SB, YA
(2, 1, 4, 3)
(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOLnon-polymer568.94Chemie (LUT)
PubChem (24728610)
PubChem (177565809)
PubChem (25202165)
PubChem (177696530)
PubChem (44481270)
PubChem (46835684)
PubChem (25245095)
PubChem (53477744)
PubChem (53477774)
PubChem (181579)
PubChem (441664)
PubChem (53477760)
PubChem (57922343)
PubChem (31380)
PubChem (90820720)
PubChem (448437)
PubChem (89305995)
PubChem (91240120)
PubChem (91519940)
PubChem (91007743)
PubChem (91330154)
PubChem (91467158)
PubChem (5281243)
PubChem (93535598)
PubChem (94424894)
PubChem (100935514)
PubChem (101351907)
PubChem (101351906)
PubChem (5368396)
PubChem (6325550)
PubChem (6433159)
PubChem (93971688)
PubChem (93971689)
PubChem (93971690)
PubChem (93971691)
PubChem (94424892)
PubChem (94424893)
PubChem (131801656)
PubChem (101351905)
PubChem (101351908)
PubChem (101351909)
PubChem (101351910)
PubChem (101727094)
PubChem (102093134)
PubChem (102514741)
PubChem (12085680)
PubChem (10210008)
PubChem (10257404)
PubChem (139335388)
PubChem (12359017)
PubChem (16061195)
PubChem (16061196)
PubChem (16061204)
PubChem (162679657)
PubChem (162945700)
PubChem (162945708)
PubChem (125183271)
PubChem (125183272)
PubChem (125183273)
PubChem (125183613)
PubChem (125183614)
PubChem (126970006)
PubChem (175679236)
PubChem (175679086)
PubChem (131801655)
PubChem (139595700)
PubChem (152743345)
PubChem (156583347)
PubChem (159139983)
PubChem (162945701)
PubChem (162945702)
PubChem (162945703)
PubChem (162945704)
PubChem (162945705)
PubChem (162945706)
PubChem (162945707)
PubChem (162945709)
PubChem (169423521)
PubChem (169954357)
PubChem (172748694)
13EA, M, TB, ZA
(2, 1, 4, 3)
(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOLnon-polymer600.94Chemie (XAT)
PubChem (24970201)
PubChem (46936684)
PubChem (53477762)
PubChem (179930)
PubChem (51346155)
PubChem (448438)
PubChem (92096)
PubChem (5282218)
PubChem (5315242)
PubChem (98049827)
PubChem (101341889)
PubChem (101341891)
PubChem (6852159)
PubChem (126456015)
PubChem (6384269)
PubChem (6442428)
PubChem (98049828)
PubChem (101341888)
PubChem (101341890)
PubChem (101341892)
PubChem (101341893)
PubChem (101341894)
PubChem (101341895)
PubChem (9851662)
PubChem (12358664)
PubChem (12358665)
PubChem (12358669)
PubChem (155293357)
PubChem (162964874)
PubChem (163187351)
PubChem (125183415)
PubChem (125183416)
PubChem (125183417)
PubChem (177696491)
PubChem (129888894)
PubChem (137331554)
PubChem (152743429)
PubChem (162964869)
PubChem (162964870)
PubChem (162964871)
PubChem (162964872)
PubChem (162964873)
PubChem (162964875)
PubChem (162964876)
PubChem (163186889)
PubChem (169544055)
PubChem (171036315)
PubChem (172817291)
14AB, BB, CB, EE, EG...
(3, A, B, 2, 1...)
BETA-CAROTENEnon-polymer536.923Chemie (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)
15AA, AC, AD, AE, AF...
(1, 4, A, B, 3...)
CHLOROPHYLL Anon-polymer893.5134Chemie (CLA)
16EC, FB, FC, HC, OA...
(4, 3, 2, 1)
CHLOROPHYLL Bnon-polymer907.510Chemie (CHL)
17CA, KG, LE, ME, RB...
(1, B, A, 3, 2)
1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLEnon-polymer723.06Chemie (LHG)
PubChem (46936292)
PubChem (446440)
PubChem (73416066)
PubChem (65144)
PubChem (9547104)
PubChem (13305396)
PubChem (11846227)
PubChem (138986743)
18JC, MG, VA, WA, XA
(4, B, 2)
1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDEnon-polymer787.25Chemie (LMG)
19KC
(A)
CHLOROPHYLL A ISOMERnon-polymer893.51Chemie (CL0)
20CE, DG
(A, B)
PHYLLOQUINONEnon-polymer450.72Chemie (PQN)
PubChem (4812)
PubChem (21896458)
PubChem (57138572)
PubChem (5315258)
PubChem (5280483)
PubChem (5284607)
PubChem (7048754)
PubChem (92436622)
PubChem (93233163)
PubChem (93971968)
PubChem (133612476)
PubChem (7048753)
PubChem (7048755)
PubChem (9846607)
PubChem (162999945)
21DE, NG, OG
(A, C)
IRON/SULFUR CLUSTERnon-polymer351.63Chemie (SF4)
22LG
(B)
DIGALACTOSYL DIACYL GLYCEROL (DGDG)non-polymer949.31Chemie (DGD)
PubChem (24865462)
PubChem (24865463)
PubChem (50904896)
PubChem (53480668)
PubChem (46936671)
PubChem (448441)
PubChem (447899)
PubChem (4629344)
PubChem (15991538)
PubChem (154573294)
PubChem (171123158)
PubChem (134746152)
PubChem (140529801)
Sequence modifications
1: 32 - 228 (UniProt: C1K003)
PDBExternal DatabaseDetails
Ala 204Glu 204conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains11
Total formula weight307636.7
Non-Polymers*Number of molecules193
Total formula weight157902.0
All*Total formula weight465538.7
*Water molecules are not included.

253091

PDB entries from 2026-05-06

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