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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)
Pfam (PF00223)
UniProt (by SIFTS) (P48112)
Cyanophora paradoxaPsaA
2B
(B)
Photosystem I P700 chlorophyll a apoprotein A2polymer73782316.31UniProt (P48113)
Pfam (PF00223)
Cyanophora paradoxaPsaB
3C
(C)
Photosystem I iron-sulfur centerpolymer818850.21UniProt (P31173)
Pfam (PF12838)
Cyanophora paradoxa9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4D
(D)
Photosystem I reaction center subunit II, cyanellepolymer22023693.31UniProt (Q9T4W8)
Pfam (PF02531)
Cyanophora paradoxaPhotosystem I 20 kDa subunit,PSI-D
5E
(E)
Photosystem I reaction center subunit IVpolymer708058.21UniProt (P48114)
Pfam (PF02427)
Cyanophora paradoxaPSI-E
6F
(F)
Photosystem I reaction center subunit IIIpolymer18620697.81UniProt (P48115)
Pfam (PF02507)
Cyanophora paradoxaPSI-F
7G
(I)
Photosystem I reaction center subunit VIIIpolymer353772.61UniProt (P48116)
Pfam (PF00796)
Cyanophora paradoxaPSI-I
8H
(J)
Photosystem I reaction center subunit IXpolymer404483.31UniProt (P48117)
Pfam (PF01701)
Cyanophora paradoxaPSI-J
9I
(L)
Photosystem I reaction center subunit XIpolymer14615376.61Cyanophora paradoxa
10J
(M)
Photosystem I reaction center subunit XIIpolymer313334.11UniProt (P48185)
Pfam (PF07465)
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)
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)
16JB, KB
(A)
1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLEnon-polymer723.02Chemie (LHG)
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 2025-12-24

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