Structure of PDB 7piw Chain D1 Binding Site BS06

Receptor Information
>7piw Chain D1 (length=348) Species: 3046 (Dunaliella salina) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IGTYQEKRTWFDDADDWLRQDRFVFVGWSGLLLLPCAYFAVGGWLTGCTF
VTSWYTHGLASSYIEGCNFLTAAVSTPANSLGHSLLFVWGPEAQGDLTRW
FQLGGLWAFVALHGAFGLIGFMLRQFEIARSVNLRPYNAIAFSAPIAVFV
SVFLIYPLGQSGWFFAPSFGVASIFRFILFFQGFHNWTLNPFHMMGVAGV
LGAALLCAIHGATVENTLFEDGDGANTFRAFNPTQAEETYSMVTANRFWS
QIFGVAFSNKRWLHFFMLFVPVTGLWMSALGVVGLALNLRAYDFVSQEIR
AAEDPEFETFYTKNILLNEGIRAWMAAQDQPHEKLTLPEEVLPRGNAL
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 chain7piw Chain A1 Residue 409 [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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PDB7piw Structure of Dunaliella Photosystem II reveals conformational flexibility of stacked and unstacked supercomplexes.
Resolution4.0 Å
Binding residue
(original residue number in PDB)
A41 W48 G121 L122 F125 N142 F146 P149 F153 F173 G174 L279
Binding residue
(residue number reindexed from 1)
A37 W44 G117 L118 F121 N138 F142 P145 F149 F169 G170 L275
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:0009507 chloroplast
GO:0009523 photosystem II
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane

View graph for
Molecular Function

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Biological Process

View graph for
Cellular Component
External links
PDB RCSB:7piw, PDBe:7piw, PDBj:7piw
PDBsum7piw
PubMed36799903
UniProtD0FXW8

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