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9I4T

Photosystem II from Arabidopsis thaliana

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, Z
(A, a)
Photosystem II protein D1polymer35338961.32UniProt (P83755)Arabidopsis thaliana (thale cress)PSII D1 protein,Photosystem II Q(B) protein
2AA, B
(B, b)
Photosystem II CP47 reaction center proteinpolymer50856091.82UniProt (P56777)Arabidopsis thaliana (thale cress)PSII 47 kDa protein,Protein CP-47
3BA, C
(C, c)
Photosystem II CP43 reaction center proteinpolymer47351915.52UniProt (P56778)Arabidopsis thaliana (thale cress)PSII 43 kDa protein,Protein CP-43
4CA, D
(D, d)
Photosystem II D2 proteinpolymer35339575.32UniProt (P56761)Arabidopsis thaliana (thale cress)PSII D2 protein,Photosystem Q(A) protein
5DA, E
(E, e)
Cytochrome b559 subunit alphapolymer839393.52UniProt (P56779)Arabidopsis thaliana (thale cress)PSII reaction center subunit V
6EA, F
(F, f)
Cytochrome b559 subunit betapolymer394488.32UniProt (P62095)Arabidopsis thaliana (thale cress)PSII reaction center subunit VI
7FA, G, MA, N
(G, N, g, n)
Chlorophyll a-b binding protein 1, chloroplasticpolymer26728266.14UniProt (P04778)Arabidopsis thaliana (thale cress)Chlorophyll a-b protein 140,CAB-140,LHCII type I CAB-1
8GA, H
(H, h)
Photosystem II reaction center protein Hpolymer737706.92UniProt (P56780)Arabidopsis thaliana (thale cress)PSII-H,Photosystem II 10 kDa phosphoprotein
9HA, I
(I, i)
Photosystem II reaction center protein Ipolymer364170.92UniProt (P62100)Arabidopsis thaliana (thale cress)PSII-I,PSII 4.8 kDa protein
10IA, J
(J, j)
Photosystem II reaction center protein Jpolymer404117.82UniProt (P56781)Arabidopsis thaliana (thale cress)PSII-J
11JA, K
(K, k)
Photosystem II reaction center protein Kpolymer616977.42UniProt (P56782)Arabidopsis thaliana (thale cress)PSII-K
12KA, L
(L, l)
Photosystem II reaction center protein Lpolymer384471.12UniProt (P60129)Arabidopsis thaliana (thale cress)PSII-L
13LA, M
(M, m)
Photosystem II reaction center protein Mpolymer343783.52UniProt (P62109)Arabidopsis thaliana (thale cress)PSII-M
14NA, O
(O, o)
Oxygen-evolving enhancer protein 1-1, chloroplasticpolymer33235180.32UniProt (P23321)Arabidopsis thaliana (thale cress)OEE1,33 kDa subunit of oxygen evolving system of photosystem II,33 kDa thylakoid membrane protein,Manganese-stabilizing protein 1,MSP-1,OEC 33 kDa subunit
15OA, P
(P, p)
Oxygen-evolving enhancer protein 2-1, chloroplasticpolymer26328125.22UniProt (Q42029)Arabidopsis thaliana (thale cress)OEE2,23 kDa subunit of oxygen evolving system of photosystem II,23 kDa thylakoid membrane protein,OEC 23 kDa subunit,OEC23
16PA, Q
(Q, q)
Oxygen-evolving enhancer protein 3-1, chloroplasticpolymer22423899.22UniProt (Q9XFT3)Arabidopsis thaliana (thale cress)OEE3,16 kDa subunit of oxygen evolving system of photosystem II,OEC 16 kDa subunit
17QA, R
(R, r)
Chlorophyll a-b binding protein CP29.1, chloroplasticpolymer29031170.32UniProt (Q07473)Arabidopsis thaliana (thale cress)LHCB4.1,LHCII protein 4.1
18RA, S
(S, s)
Chlorophyll a-b binding protein CP26, chloroplasticpolymer28030187.62UniProt (Q9XF89)Arabidopsis thaliana (thale cress)LHCB5,LHCIIc,Light-harvesting complex II protein 5
19SA, T
(T, t)
Photosystem II reaction center protein Tpolymer333825.62UniProt (P61839)Arabidopsis thaliana (thale cress)PSII-T
20TA, U
(U, u)
Photosystem II 5 kDa protein, chloroplasticpolymer10311042.92UniProt (Q39195)Arabidopsis thaliana (thale cress)PSII-T,Nuclear encoded psbT,PsbTn
21UA, V
(W, w)
Photosystem II reaction center W protein, chloroplasticpolymer13313685.82UniProt (Q39194)Arabidopsis thaliana (thale cress)PSII 6.1 kDa protein
22VA, W
(X, x)
Expressed proteinpolymer11611826.02UniProt (Q9SKI3)Arabidopsis thaliana (thale cress)PSBX,Photosystem II subunit X,Putative PSII-X protein,Putative uncharacterized protein At2g06520; T12H3.7
23WA, X
(Y, y)
Chlorophyll a-b binding protein 2.1, chloroplasticpolymer26528673.42UniProt (Q9SHR7)Arabidopsis thaliana (thale cress)Photosystem II light harvesting complex gene 2.1,Protein LIGHT-HARVESTING CHLOROPHYLL B-BINDING 2.1
24XA, Y
(Z, z)
Photosystem II reaction center protein Zpolymer626569.82UniProt (P56790)Arabidopsis thaliana (thale cress)PSII-Z
25IH, NH, YA, ZA
(a, A)
CHLORIDE IONnon-polymer35.54Chemie (CL)
PubChem (312)
26AB, AC, AD, AE, AH...
(A, B, D, G, Y...)
CHLOROPHYLL Anon-polymer893.5156Chemie (CLA)
27BB, CD, RH, RJ
(A, D, a, d)
PHEOPHYTIN Anon-polymer871.24Chemie (PHO)
28BC, BJ, DB, ED, GC...
(B, c, A, D, C...)
BETA-CAROTENEnon-polymer536.922Chemie (BCR)
PubChem (21672398)
29DC, EB, HB, KH, PG...
(B, A, a, W, b...)
1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROLnon-polymer795.18Chemie (SQD)
PubChem (25147486)
30FB, KD, OH, SJ
(A, D, a, d)
2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONEnon-polymer749.24Chemie (PL9)
PubChem (23304240)
31GB, TH
(A, a)
FE (II) IONnon-polymer55.82Chemie (FE2)
PubChem (27284)
32IB, MH
(A, a)
BICARBONATE IONnon-polymer61.02Chemie (BCT)
PubChem (769)
33CC, HJ, HN, JJ, NC...
(B, c, y, C, b...)
DIGALACTOSYL DIACYL GLYCEROL (DGDG)non-polymer949.310Chemie (DGD)
PubChem (24865462)
34CJ, DD, EC, HC, OG...
(c, D, B, C, W...)
1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDEnon-polymer787.210Chemie (LMG)
35FC, PH
(C, a)
CA-MN4-O5 CLUSTERnon-polymer339.82Chemie (OEX)
36BD, QJ
(D, d)
DODECYL-BETA-D-MALTOSIDEnon-polymer510.62Chemie (LMT)
37AN, GD, GF, HD, JD...
(y, D, R, L, N...)
1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLEnon-polymer723.018Chemie (LHG)
PubChem (46936292)
38MD, WJ
(E, e)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
39AF, AL, BF, BL, BN...
(N, n, y, Y, g...)
CHLOROPHYLL Bnon-polymer907.550Chemie (CHL)
40BG, CE, EH, GK, IL...
(S, G, Y, g, n...)
(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOLnon-polymer568.918Chemie (LUT)
PubChem (24728610)
41FK, GE, HF, KL, QK...
(g, G, R, n, r...)
(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-polymer600.98Chemie (XAT)
PubChem (24970201)
42AG, BE, CK, GN, HL...
(S, G, g, y, n...)
(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOLnon-polymer600.910Chemie (NEX)
PubChem (177697037)
43AO, AP, BO, BP, CO...
(I, j, J, k, K...)
waterwater18.01206Chemie (HOH)
Sequence modifications
F, f: 8 - 46 (UniProt: P62095)
PDBExternal DatabaseDetails
Phe 33Ser 26variant
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains50
Total formula weight1024743.0
Non-Polymers*Number of molecules332
Total formula weight264154.4
All*Total formula weight1288897.4
*Water molecules are not included.

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PDB entries from 2026-03-25

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