Structure of PDB 7pnk Chain a Binding Site BS06

Receptor Information
>7pnk Chain a (length=336) Species: 3046 (Dunaliella salina) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ENTSLWARFCEWITSTENRLYIGWFGVIMIPTLLTAISVYIIAFIAAPPV
DIDGIREPVSGSLLYGNNIITGAVVPTSNAIGLHFYPIWEAASLDEWLYN
GGPYQLVVCHFFLGVCCYMGREWELSYRLGMRPWIAVAYSAPVAAATAVF
IIYPIGQGSFSDGMPLGISGTFNFMIVFQAEHNILMHPFHMFGVAGVFGG
SLFSAMHGSLVTSSLIRETTENESANAGYKFGQEEETYNIVAAHGYFGRL
IFQYASFNNSRSLHFFLAVWPVVCIWLTALGISTMAFNLNGFNFNQSVVD
SNGRVLNTWADIINRANLGMEVMHERNAHNFPLDLA
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 chain7pnk Chain a Residue 408 [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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PDB7pnk Structure of Dunaliella Photosystem II reveals conformational flexibility of stacked and unstacked supercomplexes.
Resolution3.61 Å
Binding residue
(original residue number in PDB)		L41 I45 Y48 F119 Y126 Y147 P150 L174 G175 I283
Binding residue
(residue number reindexed from 1)		L33 I37 Y40 F111 Y118 Y139 P142 L166 G167 I275
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:0016682 oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor
GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
GO:0046872 metal ion binding
Biological Process
GO:0009635 response to herbicide
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

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Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7pnk, PDBe:7pnk, PDBj:7pnk
PDBsum7pnk
PubMed36799903
UniProtD0FY08

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