Structure of PDB 7a4p Chain 4 Binding Site BS02

Receptor Information
>7a4p Chain 4 (length=207) Species: 2649997 (Chlorella ohadii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AGWDLSAEVPAHLAGRKDLAGNYGFDPLNLGKNPEALKWYQQAELQNGRW
AMLGVAGILVQELLHSTGLGGKAADVYWFDAGNNTFWAPKETLIAISFLM
FNWAELNRMQDYIKPGSNVTDPFGNKIKYVELGYPGFDPLSFSKNNFDEW
KLKEIKNARLAMLAFLGIVAQHNAQPGSPLEQLGAHLANPWKNHFINNGV
SPFLTDN
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 chain7a4p Chain 4 Residue 601 [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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PDB7a4p Cryo-EM photosystem I structure reveals adaptation mechanisms to extreme high light in Chlorella ohadii.
Resolution4.2 Å
Binding residue
(original residue number in PDB)		R78 M81 L82 Y163 P164 G165 F166 D167 F171 F176 W179 K180 E183 N186
Binding residue
(residue number reindexed from 1)		R49 M52 L53 Y134 P135 G136 F137 D138 F142 F147 W150 K151 E154 N157
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Biological Process
GO:0009765 photosynthesis, light harvesting
Cellular Component
GO:0016020 membrane

View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7a4p, PDBe:7a4p, PDBj:7a4p
PDBsum7a4p
PubMed34462576
UniProtA0A2P6TQ14

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