Structure of PDB 7sa3 Chain D Binding Site BS07

Receptor Information
>7sa3 Chain D (length=336) Species: 91464 (Synechococcus sp. PCC 7335) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IKQLDDWLKRDRFVFIGWSGLLLFPCSFLAIGAWFTGTTFVTSWYTHGLV
SSYLEGCNFLTVAVSTPAESMGHSLLLLWGPEASGDFVRWCQIGGLWTFT
ALHGVFGLIGFMLRQIEIARLVGIRPYNAIAFSAPIAVYCATFLIYPLGQ
SSWFFGPGFGVSAIFRFLLFFQGFHNYTLNPFHMMGVTGVLGGALLCAIH
GATVQNTLFRDNQSKNTFKGFSTDQGEETYSMVTANRFWSQIFGIAFSNK
RWLHFFMLFVPVTGLWMSAIGMAGLAFNLRAYDFVSQEIRAAEDPEFETF
YTKNILLNEGLRAWLSEMDQPAKKFVFPDEVLPRGF
Ligand information
Ligand IDPHO
InChIInChI=1S/C55H74N4O5/c1-13-39-35(8)42-28-44-37(10)41(24-25-48(60)64-27-26-34(7)23-17-22-33(6)21-16-20-32(5)19-15-18-31(3)4)52(58-44)50-51(55(62)63-12)54(61)49-38(11)45(59-53(49)50)30-47-40(14-2)36(9)43(57-47)29-46(39)56-42/h13,26,28-33,37,41,51,56,59H,1,14-25,27H2,2-12H3/b34-26+,42-28-,43-29-,44-28-,45-30-,46-29-,47-30-,52-50-/t32-,33-,37+,41+,51-/m1/s1
InChIKeyCQIKWXUXPNUNDV-RCBXBCQGSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6CCC1=C(c2cc3c(c(c([nH]3)cc4nc(c5c6c(c(c([nH]6)cc1n2)C)C(=O)C5C(=O)OC)C(C4C)CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C=C)C
CACTVS 3.370CCc1c(C)c2cc3[nH]c(cc4nc([C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@@H]4C)c5[C@@H](C(=O)OC)C(=O)c6c(C)c([nH]c56)cc1n2)c(C)c3C=C
ACDLabs 12.01O=C(OC\C=C(/C)CCCC(C)CCCC(C)CCCC(C)C)CCC6c4nc(cc1c(c(\C=C)c(n1)cc5nc(cc3c(c2C(=O)C(c4c2n3)C(=O)OC)C)C(=C5C)CC)C)C6C
OpenEye OEToolkits 1.7.6CCC1=C(/c/2c/c3c(c(c([nH]3)/cc/4\nc(c5c6c(c(/c(/[nH]6)c/c1n2)C)C(=O)[C@@H]5C(=O)OC)[C@H]([C@@H]4C)CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)C=C)C
CACTVS 3.370CCc1c(C)c2cc3[nH]c(cc4nc([CH](CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)[CH]4C)c5[CH](C(=O)OC)C(=O)c6c(C)c([nH]c56)cc1n2)c(C)c3C=C
FormulaC55 H74 N4 O5
NamePHEOPHYTIN A
ChEMBLCHEMBL3349047
DrugBank
ZINC
PDB chain7sa3 Chain D Residue 402 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7sa3 Structure of a monomeric photosystem II core complex from a cyanobacterium acclimated to far-red light reveals the functions of chlorophylls d and f.
Resolution2.25 Å
Binding residue
(original residue number in PDB)		S41 W48 G118 G121 L122 F125 Q129 N142 A145 F146 P149 Y153 F173 G174 P275 L279
Binding residue
(residue number reindexed from 1)		S27 W34 G104 G107 L108 F111 Q115 N128 A131 F132 P135 Y139 F159 G160 P261 L265
Annotation score1
Enzymatic activity
Enzyme Commision number 1.10.3.9: photosystem II.
Gene Ontology
Molecular Function
GO:0005506 iron ion binding
GO:0009055 electron transfer activity
GO:0010242 oxygen evolving activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
GO:0046872 metal ion binding
Biological Process
GO:0009772 photosynthetic electron transport in photosystem II
GO:0015979 photosynthesis
GO:0019684 photosynthesis, light reaction
Cellular Component
GO:0009523 photosystem II
GO:0009579 thylakoid
GO:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7sa3, PDBe:7sa3, PDBj:7sa3
PDBsum7sa3
PubMed34801554
UniProtB4WKI3

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