Structure of PDB 4tni Chain D Binding Site BS06

Receptor Information
>4tni Chain D (length=340) Species: 197221 (Thermosynechococcus vestitus BP-1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GWFDILDDWLKRDRFVFVGWSGILLFPCAYLALGGWLTGTTFVTSWYTHG
LASSYLEGCNFLTVAVSTPANSMGHSLLLLWGPEAQGDFTRWCQLGGLWT
FIALHGAFGLIGFMLRQFEIARLVGVRPYNAIAFSAPIAVFVSVFLIYPL
GQSSWFFAPSFGVAAIFRFLLFFQGFHNWTLNPFHMMGVAGVLGGALLCA
IHGATVENTLFQDGEGASTFRAFNPTQAEETYSMVTANRFWSQIFGIAFS
NKRWLHFFMLFVPVTGLWMSAIGVVGLALNLRSYDFISQEIRAAEDPEFE
TFYTKNLLLNEGIRAWMAPQDQPHENFVFPEEVLPRGNAL
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 chain4tni 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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PDB4tni Taking snapshots of photosynthetic water oxidation using femtosecond X-ray diffraction and spectroscopy.
Resolution4.6 Å
Binding residue
(original residue number in PDB)		A41 W48 F125 F146 P149 F153 F173 P275 L279
Binding residue
(residue number reindexed from 1)		A29 W36 F113 F134 P137 F141 F161 P263 L267
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:4tni, PDBe:4tni, PDBj:4tni
PDBsum4tni
PubMed25006873
UniProtQ8CM25|PSBD_THEVB Photosystem II D2 protein (Gene Name=psbD1)

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