Structure of PDB 8eqm Chain b Binding Site BS12

Receptor Information
>8eqm Chain b (length=483) Species: 91464 (Synechococcus sp. PCC 7335) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GLPWYRVHTSVLNDPGRLIAVHIMHNALCAGFAGSMLLFELALFDPSDPV
LNPMWRQGCFLMPFVSRLGVVNSWQGWSVTGETFTNPGFWTFETVAIAHI
IFSGLSFLAACWHWVYWDVATFFDPKTDEPVIDLPKVFGIHLTLAGILCF
GFGAFHLTGLFGPGMWVSDPLGLTGHIQGVAPEWGAAGFDPHNPGGVVAH
HIALGIVAIIGGLFHIFVRPPEYLYKGLRMGNIEGTLASGLAVFFSGAFI
AAGTMWYGTATTPIELWGPTRYQWDQGFFQQAISRQVKASISDGKSPSEA
WSEIPTKLAFYDYIGNSPAKGGLFRVGRMVDGDGLPTGWLGHPVFKDGEG
RELTVRRMPNFFENFPVVLFDQDGIVRADIPFRQAESKYGIEQTGVTVSF
YGGELDGQTFSDPKDVKKYARRAQLGEPFEFDRSVYDSDGLFRTSNRGFF
AFFHVIFGLLWFFGHIWHGLRALFQDVFSGIDP
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 chain8eqm Chain b Residue 612 [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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PDB8eqm Structure of a dimeric photosystem II complex from a cyanobacterium acclimated to far-red light.
Resolution2.6 Å
Binding residue
(original residue number in PDB)		H9 L13 L19 V22 H23 H26 N27 I234 T237 L238 L242 F245
Binding residue
(residue number reindexed from 1)		H8 L12 L18 V21 H22 H25 N26 I233 T236 L237 L241 F244
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
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:0009521 photosystem
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:8eqm, PDBe:8eqm, PDBj:8eqm
PDBsum8eqm
PubMed36549647
UniProtB4WKI1

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