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SummaryStructural detailsExperimental detailsFunctional detailsSequence NeighborHistoryDownloads

5L8R

The structure of plant photosystem I super-complex at 2.6 angstrom resolution.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(1)		Lhca1polymer19321335.41UniProt (by SIFTS) (E1C9L2)Pisum sativum (Garden pea)
2B
(2)		Chlorophyll a-b binding protein, chloroplasticpolymer26928912.71UniProt (Q41038)
Pfam (PF00504)		Pisum sativum (Garden pea)
3C
(3)		Chlorophyll a-b binding protein 3, chloroplasticpolymer27529634.81UniProt (Q32904)Pisum sativum (Garden pea)LHCII type III CAB-3
4D
(4)		Chlorophyll a-b binding protein P4, chloroplasticpolymer19821994.01UniProt (Q9SQL2)Pisum sativum (Garden pea)LHCI type III CAB-P4
5E
(A)		Photosystem I P700 chlorophyll a apoprotein A1polymer75884265.51UniProt (P05310)Pisum sativum (Garden pea)PSI-A,PsaA
6F
(B)		Photosystem I P700 chlorophyll a apoprotein A2polymer73482512.91UniProt (A0A0F6NGI2)Pisum sativum (Garden pea)PSI-B,PsaB
7G
(C)		Photosystem I iron-sulfur centerpolymer818991.51UniProt (P10793)Pisum sativum (Garden pea)9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
8H
(D)		PsaDpolymer14316041.41UniProt (by SIFTS) (E1C9K8)Pisum sativum (Garden pea)
9I
(E)		Putative uncharacterized proteinpolymer667479.41UniProt (E1C9K6)Pisum sativum (Garden pea)
10J
(F)		Photosystem I reaction center subunit IIIpolymer15417238.01UniProt (A0A0M3KL12)Pisum sativum (Garden pea)
11K
(G)		PsaGpolymer9710678.01Pfam (PF01241)
UniProt (by SIFTS) (Q9S7N7)		Pisum sativum (Garden pea)
12L
(H)		Photosystem I reaction center subunit VIpolymer889491.71UniProt (A0A0M3KL10)Pisum sativum (Garden pea)
13M
(I)		Photosystem I reaction center subunit VIIIpolymer404474.51UniProt (P17227)Pisum sativum (Garden pea)PSI-I
14N
(J)		Photosystem I reaction center subunit IXpolymer424767.61UniProt (D5MAL3)Pisum sativum (Garden pea)PSI-J
15O
(K)		Photosystem I reaction center subunit X psaKpolymer807988.31UniProt (E1C9L3)Pisum sativum (Garden pea)
16P
(L)		Putative uncharacterized proteinpolymer15716565.01UniProt (E1C9L1)Pisum sativum (Garden pea)
17FC, LA, LB, LI, MB...
(4, 2, 3, J, 1)		(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOLnon-polymer568.97Chemie (LUT)
18AH, BH, BI, CH, CI...
(B, I, A, 4, J...)		BETA-CAROTENEnon-polymer536.927Chemie (BCR)
19AA, AC, AE, AG, AI...
(1, 3, A, B, H...)		CHLOROPHYLL Anon-polymer893.5142Chemie (CLA)
20AB, BA, DA, KA, KB...
(2, 1, 4, 3)		CHLOROPHYLL Bnon-polymer907.513Chemie (CHL)
21AF, BB, GA, JA, SE...
(A, 2, 1, B)		1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLEnon-polymer723.07Chemie (LHG)
22CB, DB, EB, FB, FI...
(2, J, 1, F, A...)		1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDEnon-polymer787.220Chemie (LMG)
23GC, MA
(4, 2)		(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-polymer600.92Chemie (XAT)
24CC, GH, HB, JI, TE...
(3, B, 2, J, A...)		DODECYL-BETA-D-MALTOSIDEnon-polymer510.610Chemie (LMT)
25DC, ZG
(3, B)		CALCIUM IONnon-polymer40.12Chemie (CA)
26EF, FH, II, WC, WH
(B, J, 4, G)		DIGALACTOSYL DIACYL GLYCEROL (DGDG)non-polymer949.35Chemie (DGD)
27AD
(A)		CHLOROPHYLL A ISOMERnon-polymer893.51Chemie (CL0)
28IH, JH, QE
(C, A)		IRON/SULFUR CLUSTERnon-polymer351.63Chemie (SF4)
29RE, SG
(A, B)		PHYLLOQUINONEnon-polymer450.72Chemie (PQN)
30KH
(F)		(1R,2S)-4-{(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4S)-4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl}-2,5,5-trimethylcyclohex-3-en-1-olnon-polymer568.91Chemie (ZEX)
31AJ, BJ, CJ, DJ, EJ...
(4, A, B, C, D...)		waterwater18.0209Chemie (HOH)
Sequence modifications
4: 52 - 249 (UniProt: Q9SQL2)
PDBExternal DatabaseDetails
Lys 89Arg 89conflict
Asp 128Ala 128conflict
Phe 149Ser 149conflict
A: 1 - 758 (UniProt: P05310)
PDBExternal DatabaseDetails
Arg 117Gly 117conflict
Ala 176Gly 176conflict
Val 194Ala 194conflict
Gly 220Arg 220conflict
Ile 371Val 371conflict
His 374Gln 374conflict
Ala 378Ser 378conflict
Gly 390Ala 390conflict
Thr 509Ala 509conflict
Ser 522Ala 522conflict
Gly 525Asn 525conflict
Ala 608Ser 608conflict
Ser 627Thr 627conflict
Gly 639Ala 639conflict
E: 66 - 129 (UniProt: E1C9K6)
PDBExternal DatabaseDetails
Pro 64-expression tag
Pro 65-expression tag
Gln 79Lys 14conflict
Val 125Ile 60conflict
Glu 126Val 61conflict
Lys 129Glu 64conflict
F: 78 - 231 (UniProt: A0A0M3KL12)
PDBExternal DatabaseDetails
Ala 80Ser 3conflict
Asp 87Glu 10conflict
Leu 108Ile 31conflict
Pro 111Ala 34conflict
Gly 134Ala 57conflict
Asp 188Glu 111conflict
Thr 204Ser 127conflict
H: 53 - 138 (UniProt: A0A0M3KL10)
PDBExternal DatabaseDetails
Leu 60Ile 9conflict
Asn 79Ser 28conflict
Ser 80Pro 29conflict
Ala 116Thr 65conflict
Lys 126Val 75conflict
Gln 134Lys 83conflict
Leu 139-expression tag
Gly 140-expression tag
J: 1 - 42 (UniProt: D5MAL3)
PDBExternal DatabaseDetails
Phe 32Leu 32conflict
K: 47 - 125 (UniProt: E1C9L3)
PDBExternal DatabaseDetails
Ala 85Val 42conflict
L: 54 - 210 (UniProt: E1C9L1)
PDBExternal DatabaseDetails
Val 57Ile 7conflict
Val 79Ile 29conflict
Gly 88Ala 38conflict
Asn 94Ser 44conflict
Phe 108Tyr 58conflict
Ile 143Leu 93conflict
Asp 157Ala 107conflict
Gln 172Glu 122conflict
Phe 201Tyr 151conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains16
Total formula weight372370.9
Non-Polymers*Number of molecules242
Total formula weight192507.4
All*Total formula weight564878.4
*Water molecules are not included.

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PDB entries from 2026-03-11

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