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SummaryStructural detailsExperimental detailsFunctional detailsSequence NeighborHistoryDownloads

2WSF

Improved Model of Plant Photosystem I

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(1)		AT3G54890polymer24126021.91UniProt (Q9C5R7)
Pfam (PF00504)
UniProt (by SIFTS) (Q01667)		ARABIDOPSIS THALIANA (THALE CRESS)LHCA1
2B
(2)		TYPE II CHLOROPHYLL A/B BINDING PROTEIN FROM PHOTOSYSTEM Ipolymer26928926.71UniProt (Q41038)
Pfam (PF00504)		PISUM SATIVUM (PEA)LHCA2
3C
(3)		LHCA3polymer27629852.11UniProt (by SIFTS) (C6TEX2)GLYCINE MAX (SOYBEAN)
4D
(4)		CHLOROPHYLL A-B BINDING PROTEIN P4, CHLOROPLASTICpolymer25127182.01UniProt (Q9SQL2)PISUM SATIVUM (PEA)LHCI TYPE III CAB-P4 LHCA4
5E
(A)		PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A1polymer75884284.51UniProt (P05310)PISUM SATIVUM (PEA)PSAA, PSI-A
6F
(B)		PHOTOSYSTEM I P700 CHLOROPHYLL A APOPROTEIN A2polymer73482491.01UniProt (P05311)PISUM SATIVUM (PEA)PSAB, PSI-B
7G
(C)		PHOTOSYSTEM I IRON-SULFUR CENTERpolymer818991.51UniProt (P10793)PISUM SATIVUM (PEA)PSAC, PHOTOSYSTEM I SUBUNIT VII, 9 KDA POLYPEPTIDE, PSI-C
8H
(D)		PHOTOSYSTEM I REACTION CENTER SUBUNIT II, CHLOROPLASTICpolymer21223170.61UniProt (P12353)
Pfam (PF02531)		SPINACIA OLERACEA (SPINACH)PSAD, PHOTOSYSTEM I 20 KDA SUBUNIT, PSI-D
9I
(E)		PHOTOSYSTEM I REACTION CENTER SUBUNIT IV A, CHLOROPLASTICpolymer14314985.01UniProt (Q9S831)
Pfam (PF02427)		ARABIDOPSIS THALIANA (THALE CRESS)PSAE, PSI-E A
10J
(F)		PHOTOSYSTEM I REACTION CENTER SUBUNIT III, CHLOROPLASTICpolymer23125445.51UniProt (P12355)
Pfam (PF02507)		SPINACIA OLERACEA (SPINACH)PSAF, LIGHT-HARVESTING COMPLEX I 17 KDA PROTEIN, PSI-F
11K
(G)		PHOTOSYSTEM I REACTION CENTER SUBUNIT V, CHLOROPLASTICpolymer16718232.71UniProt (P12357)
Pfam (PF01241)		SPINACIA OLERACEA (SPINACH)PSAG, PSI-G, PHOTOSYSTEM I 9 KDA PROTEIN
12L
(H)		PHOTOSYSTEM I REACTION CENTER SUBUNIT VI, CHLOROPLASTICpolymer14415341.61UniProt (P22179)
Pfam (PF03244)		SPINACIA OLERACEA (SPINACH)PSAH, PSI-H, LIGHT-HARVESTING COMPLEX I 11 KDA PROTEIN
13M
(I)		PHOTOSYSTEM I REACTION CENTER SUBUNIT VIIIpolymer404474.51UniProt (P17227)PISUM SATIVUM (PEA)PSAI, PSI-I
14N
(J)		PHOTOSYSTEM I REACTION CENTER SUBUNIT IXpolymer445079.91UniProt (P17230)
Pfam (PF01701)		SPINACIA OLERACEA (SPINACH)PSAJ, PSI-J
15O
(K)		PHOTOSYSTEM I REACTION CENTER SUBUNIT PSAK, CHLOROPLASTICpolymer13113742.91UniProt (P36886)HORDEUM VULGAREPSAK, PHOTOSYSTEM I SUBUNIT X, PSI-K, LIGHT-HARVESTING COMPLEX I 7 KDA PROTEIN
16P
(L)		PHOTOSYSTEM I REACTION CENTER SUBUNIT XI, CHLOROPLASTICpolymer21622957.71UniProt (Q41385)
Pfam (PF02605)		SPINACIA OLERACEA (SPINACH)PSAL, PSI-L, PSI SUBUNIT V
17Q
(N)		PHOTOSYSTEM I-N SUBUNITpolymer17018461.01UniProt (Q84U30)
Pfam (PF05479)		PHASEOLUS VULGARISPSAN, PSI-N
18R
(R)		PHOTOSYSTEM I-N SUBUNITpolymer534528.61PISUM SATIVUM (PEA)
19AA, BA, CA, DA, EA...
(W, X, Y, Z, a...)		beta-D-fructofuranose-(2-1)-alpha-D-glucopyranosebranched342.313In PDB
BIRD (PRD_900003)		sucrose
20AB, AC, AE, AG, AI...
(2, 3, A, B, H...)		CHLOROPHYLL Anon-polymer893.5173Chemie (CLA)
21AD, AF, AJ, BF, BI...
(4, A, L, H, B...)		DODECYL-ALPHA-D-MALTOSIDEnon-polymer510.648Chemie (LMU)
PubChem (97038234)
PubChem (97038235)
PubChem (97294875)
PubChem (100976848)
PubChem (101111381)
PubChem (102219025)
PubChem (102565427)
PubChem (117753833)
PubChem (140479759)
PubChem (46936627)
PubChem (114880)
PubChem (445456)
PubChem (123281924)
PubChem (118443377)
PubChem (2802066)
PubChem (124184997)
PubChem (124196217)
PubChem (124196220)
PubChem (126735853)
PubChem (126735860)
PubChem (9849225)
PubChem (129720403)
PubChem (134694723)
PubChem (16220143)
PubChem (140505128)
PubChem (140841257)
PubChem (153835411)
PubChem (154810097)
PubChem (155885597)
PubChem (24802120)
PubChem (25021193)
PubChem (159812235)
PubChem (58112562)
PubChem (58253045)
PubChem (3481630)
PubChem (163184859)
PubChem (53393702)
PubChem (169619620)
PubChem (59615220)
PubChem (60087035)
PubChem (68322761)
PubChem (68338004)
PubChem (173767704)
PubChem (173885518)
PubChem (68441652)
PubChem (70796428)
PubChem (70813879)
PubChem (70839937)
PubChem (75487624)
PubChem (10413991)
PubChem (89796216)
PubChem (90817611)
PubChem (91094859)
PubChem (91608950)
PubChem (95566087)
PubChem (95566088)
PubChem (95566089)
PubChem (95566090)
PubChem (96327540)
PubChem (98046621)
PubChem (98046622)
PubChem (98046623)
PubChem (101111379)
PubChem (117716045)
PubChem (44119948)
PubChem (56845466)
22BH, CH, DH, EH, EJ...
(B, L, I, 2, J...)		BETA-CAROTENEnon-polymer536.916Chemie (BCR)
PubChem (129651951)
PubChem (145925599)
PubChem (159562859)
PubChem (160505766)
PubChem (173398668)
PubChem (176490061)
PubChem (5280489)
PubChem (5315709)
PubChem (5353436)
PubChem (5927371)
PubChem (6477957)
PubChem (124919639)
PubChem (124919640)
PubChem (132274419)
PubChem (10256668)
PubChem (12305639)
PubChem (12305640)
PubChem (12305642)
PubChem (12305644)
PubChem (12305647)
PubChem (12305652)
PubChem (21672398)
PubChem (146673260)
PubChem (152743364)
PubChem (46846294)
PubChem (54603957)
PubChem (54612003)
PubChem (5356616)
PubChem (172654026)
PubChem (172878405)
PubChem (9828626)
PubChem (91827292)
PubChem (92863345)
PubChem (92863346)
PubChem (92863347)
PubChem (92863348)
PubChem (100990628)
PubChem (101525094)
PubChem (101525095)
PubChem (46783370)
PubChem (573)
PubChem (86765360)
23AH, VE
(B, A)		PHYLLOQUINONEnon-polymer450.72Chemie (PQN)
PubChem (4812)
PubChem (5284607)
PubChem (7048753)
PubChem (7048754)
PubChem (9846607)
PubChem (133612476)
PubChem (21896458)
PubChem (162999945)
PubChem (5280483)
PubChem (5315258)
PubChem (7048755)
PubChem (92436622)
PubChem (93233163)
PubChem (93971968)
PubChem (57138572)
24JF, JH, KH
(A, C)		IRON/SULFUR CLUSTERnon-polymer351.63Chemie (SF4)
25FH
(B)		1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDEnon-polymer787.21Chemie (LMG)
26FI
(H)		UNKNOWN LIGANDnon-polymer1Chemie (UNL)
Sequence modifications
1: -43 - 197 (UniProt: Q9C5R7)
PDBExternal DatabaseDetails
Ile -33Lys 11conflict
Arg -1Lys 43conflict
2: -57 - 194 (UniProt: Q41038)
PDBExternal DatabaseDetails
-Gly 258deletion
2: 196 - 200 (UniProt: Q41038)
PDBExternal DatabaseDetails
Ala 195-insertion
2: 201 - 211 (UniProt: Q41038)
2: 195 - 195 (PDB: 2WSF)
4: -50 - 159 (UniProt: Q9SQL2)
PDBExternal DatabaseDetails
-Ala 211deletion
D: -55 - 156 (UniProt: P12353)
PDBExternal DatabaseDetails
Gly -52Ala 4conflict
Pro -50Gln 6conflict
Arg -44Pro 12conflict
Glu -34Asp 22conflict
Leu -11His 45conflict
Thr -9Ser 47conflict
Thr 12Pro 68conflict
Ala 14Gly 70conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains18
Total formula weight454169.6
BranchedNumber of molecules13
Total formula weight4449.9
Non-Polymers*Number of molecules244
Total formula weight190416.6
All*Total formula weight649036.0
*Water molecules are not included.

251174

PDB entries from 2026-03-25

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