Structure of PDB 7pnk Chain c Binding Site BS03

Receptor Information
>7pnk Chain c (length=449) Species: 3046 (Dunaliella salina) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GRDQETTGFAWWAGNARLINLSGKLLGAHVAHAGLIVFWAGAMNLFEVSH
FVPEKPMYEQGLILLPHIATLGYGVGPGGEVLDTFPYFVSGVLHLISSAV
LGFGGVYHSLIGPETLEESYPFFGYVWKDKNKMTNILGYHLIILGCGAWL
LVLKALYFGGVYDTWAPGGGDVRIISNPTTNAAIIFGYIVKSPFGGDGWI
VSVDNLEDIIGGHIWIGTLCILGGIWHIYTTPWPWARRAFVWSGEAYLSY
SLAAVSLMGFTACCFAWFNNTAYPSEFYGPTGPEASQAQAFTFLVRDQRL
GANVASAQGPTGLGKYLMRSPTGEIIFGGETMRFWDFRGPWVEPLRGPSG
LDLVKLKNDIQPWQERRAAEYMTHAPLGSLNSVGGVATEINAVNFVSPRS
WLATSHFCLGFFFFVGHLWHAGRARAAAAGFEKGIDRVDEPVLSMRPLD
Ligand information
Ligand IDCLA
InChIInChI=1S/C55H73N4O5.Mg/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;/h13,26,28-33,37,41,51H,1,14-25,27H2,2-12H3,(H-,56,57,58,59,61);/q-1;+2/p-1/b34-26+;/t32-,33-,37+,41+,51-;/m1./s1
InChIKeyATNHDLDRLWWWCB-AENOIHSZSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=C(C(C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)C(C9CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4[Mg][N]5C(=CC1=N2)C(=C6C(=O)[CH](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[CH](C)[CH]7CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C
ACDLabs 12.01O=C(OC)C1C(=O)C2=C(C)C3=CC=4C(CC)=C(C)C5=Cc6c(C=C)c(C)c7C=C8C(C)C(CCC(=O)OC\C=C(/C)CCCC(C)CCCC(C)CCCC(C)C)C=9C1=C2N3[Mg](n76)(N5=4)N8=9
OpenEye OEToolkits 2.0.7CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=C([C@H](C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)[C@H]([C@@H]9CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4[Mg][N@@]5C(=CC1=N2)C(=C6C(=O)[C@H](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[C@@H](C)[C@@H]7CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C
FormulaC55 H72 Mg N4 O5
NameCHLOROPHYLL A
ChEMBL
DrugBankDB02133
ZINC
PDB chain7pnk Chain c Residue 502 [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)		W51 H79 L83 F170 V267 Y285 H418 L421 F425
Binding residue
(residue number reindexed from 1)		W39 H67 L71 F158 V255 Y273 H406 L409 F413
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0016168 chlorophyll binding
GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
GO:0046872 metal ion binding
Biological Process
GO:0009767 photosynthetic electron transport chain
GO:0009772 photosynthetic electron transport in photosystem II
GO:0015979 photosynthesis
GO:0019684 photosynthesis, light reaction
Cellular Component
GO:0005737 cytoplasm
GO:0009507 chloroplast
GO:0009521 photosystem
GO:0009523 photosystem II
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7pnk, PDBe:7pnk, PDBj:7pnk
PDBsum7pnk
PubMed36799903
UniProtD0FXY3

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