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7Y3F

Structure of the Anabaena PSI-monomer-IsiA supercomplex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Photosystem I P700 chlorophyll a apoprotein A1polymer75283289.71UniProt (P58576)
Pfam (PF00223)
Nostoc sp.PsaA
2B
(B)
Photosystem I P700 chlorophyll a apoprotein A2 1polymer74183457.01UniProt (P58565)
Pfam (PF00223)
Nostoc sp.PsaB 1
3C
(C)
Photosystem I iron-sulfur centerpolymer818825.21UniProt (P0A410)
Pfam (PF12838)
Nostoc sp.9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4D
(D)
Photosystem I reaction center subunit IIpolymer13915176.21UniProt (P58573)
Pfam (PF02531)
Nostoc sp.
5E
(E)
Photosystem I reaction center subunit IVpolymer707897.11UniProt (P58575)
Pfam (PF02427)
Nostoc sp.
6F
(F)
Photosystem I reaction center subunit IIIpolymer16417850.61UniProt (P58564)
Pfam (PF02507)
Nostoc sp.PSI-F
7G
(I)
Photosystem I reaction center subunit VIIIpolymer465066.91UniProt (P58560)
Pfam (PF00796)
Nostoc sp.
8H
(J)
Photosystem I reaction center subunit IXpolymer495499.41UniProt (P58568)
Pfam (PF01701)
Nostoc sp.
9I
(K)
Unknownpolymer826996.61Nostoc sp.
10J
(M)
PsaMpolymer404424.31Pfam (PF07465)
UniProt (by SIFTS) (Q8YNB0)
Nostoc sp.
11K
(X)
Photosystem I 4.8 kDa proteinpolymer444872.81UniProt (P58566)
Pfam (PF08078)
Nostoc sp.
12L
(1)
Photosystem I reaction center subunit XIpolymer47651717.41UniProt (Q8YQ34)Nostoc sp.PSI subunit V,PSI-L
13M, N, Q
(2, 3, 6)
IsiApolymer32527677.03Nostoc sp.
14O, P
(4, 5)
Iron stress-induced chlorophyll-binding proteinpolymer34437701.52UniProt (Q8YQ35)
Pfam (PF00421)
Nostoc sp.CP43'
15R
(A)
CHLOROPHYLL A ISOMERnon-polymer893.51Chemie (CL0)
16AA, AB, AC, AD, AF...
(A, B, 1, 4, 5...)
CHLOROPHYLL Anon-polymer893.5155Chemie (CLA)
17IB, ID
(A, B)
PHYLLOQUINONEnon-polymer450.72Chemie (PQN)
18JB, UD, VD
(A, C)
IRON/SULFUR CLUSTERnon-polymer351.63Chemie (SF4)
19AE, BE, CE, CF, DF...
(F, I, 1, J, 5...)
BETA-CAROTENEnon-polymer536.929Chemie (BCR)
20QB, QD, RB, YD
(A, B, F)
1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLEnon-polymer723.04Chemie (LHG)
21FG, KE, KF, RD, SB...
(5, M, 1, B, A)
DODECYL-BETA-D-MALTOSIDEnon-polymer510.66Chemie (LMT)
22PD
(B)
1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDEnon-polymer787.21Chemie (LMG)
23KH, LH, MH, NH, OH
(A, B, F, K, 1)
waterwater18.026Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains17
Total formula weight453507.0
Non-Polymers*Number of molecules201
Total formula weight163652.6
All*Total formula weight617159.7
*Water molecules are not included.

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PDB entries from 2026-01-14

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