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7DR1

Structure of Wild-type PSI monomer2 from Cyanophora paradoxa

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Photosystem I P700 chlorophyll a apoprotein A1polymer75283397.31UniProt (A0A097PBL3)
UniProt (by SIFTS) (P48112)
Cyanophora paradoxaPsaA
2B
(B)
Photosystem I P700 chlorophyll a apoprotein A2polymer73782316.31UniProt (P48113)Cyanophora paradoxaPsaB
3C
(C)
Photosystem I iron-sulfur centerpolymer818850.21UniProt (P31173)Cyanophora paradoxa9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4D
(D)
Photosystem I reaction center subunit II, cyanellepolymer22023693.31UniProt (Q9T4W8)Cyanophora paradoxaPhotosystem I 20 kDa subunit,PSI-D
5E
(E)
Photosystem I reaction center subunit IVpolymer708058.21UniProt (P48114)Cyanophora paradoxaPSI-E
6F
(F)
Photosystem I reaction center subunit IIIpolymer18620697.81UniProt (P48115)Cyanophora paradoxaPSI-F
7G
(I)
Photosystem I reaction center subunit VIIIpolymer353772.61UniProt (P48116)Cyanophora paradoxaPSI-I
8H
(J)
Photosystem I reaction center subunit IXpolymer404483.31UniProt (P48117)Cyanophora paradoxaPSI-J
9I
(L)
Photosystem I reaction center subunit XIpolymer14615376.61Cyanophora paradoxa
10J
(M)
Photosystem I reaction center subunit XIIpolymer313334.11UniProt (P48185)Cyanophora paradoxaPSI-M
11K
(A)
CHLOROPHYLL A ISOMERnon-polymer893.51Chemie (CL0)
12AA, AB, AC, BA, BC...
(A, B, F, J, L)
CHLOROPHYLL Anon-polymer893.580Chemie (CLA)
13BB, SC
(A, B)
PHYLLOQUINONEnon-polymer450.72Chemie (PQN)
PubChem (4812)
PubChem (21896458)
PubChem (57138572)
PubChem (5315258)
PubChem (7048753)
PubChem (7048755)
PubChem (9846607)
PubChem (92436622)
PubChem (93233163)
PubChem (93971968)
PubChem (5280483)
PubChem (5284607)
PubChem (7048754)
PubChem (133612476)
PubChem (162999945)
14CB, XC, YC
(A, C)
IRON/SULFUR CLUSTERnon-polymer351.63Chemie (SF4)
15AD, CD, DB, EB, ED...
(F, I, A, J, L...)
BETA-CAROTENEnon-polymer536.919Chemie (BCR)
PubChem (573)
PubChem (21672398)
PubChem (176490061)
PubChem (177696266)
PubChem (46783370)
PubChem (46846294)
PubChem (54603957)
PubChem (54612003)
PubChem (5315709)
PubChem (5353436)
PubChem (5356616)
PubChem (5927371)
PubChem (86765360)
PubChem (6477957)
PubChem (9828626)
PubChem (91827292)
PubChem (10256668)
PubChem (92863346)
PubChem (92863347)
PubChem (92863348)
PubChem (12305639)
PubChem (12305640)
PubChem (12305642)
PubChem (12305644)
PubChem (12305647)
PubChem (12305652)
PubChem (5280489)
PubChem (92863345)
PubChem (100990628)
PubChem (101525094)
PubChem (101525095)
PubChem (124919640)
PubChem (124919639)
PubChem (129651951)
PubChem (132274419)
PubChem (146673260)
PubChem (152743364)
PubChem (160505766)
PubChem (145925599)
PubChem (159562859)
PubChem (172654026)
PubChem (172878405)
PubChem (173398668)
16JB, KB
(A)
1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLEnon-polymer723.02Chemie (LHG)
PubChem (446440)
PubChem (46936292)
PubChem (73416066)
PubChem (65144)
PubChem (9547104)
PubChem (11846227)
PubChem (13305396)
PubChem (138986743)
17WC
(B)
1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDEnon-polymer787.21Chemie (LMG)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains10
Total formula weight253979.6
Non-Polymers*Number of molecules108
Total formula weight86762.6
All*Total formula weight340742.2
*Water molecules are not included.

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PDB entries from 2026-04-01

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