Structure of PDB 7r3k Chain 6 Binding Site BS13

Receptor Information
>7r3k Chain 6 (length=229) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RPLWLPGSTPPAHLKGDLPGDFGFDPLGLGANAESLKWFKESELVHSRWA
MAAVAGILVQEIVRPDVFWYNAGKEVESPLGPLGLLAVEFFLMHWVEVRR
WQDLRKPGSVDQDPIFSQYKLPPHEVGYPGGVFAPFIPGDLAELKVKEIK
NGRLAMLAFVGFVMAAQVTGKGPIAALQEHLADPWGTTIFSKAAVVPGQA
VAPPCKIPASVSYKGIEIPTPCFLQGLWP
Ligand information
Ligand IDCHL
InChIInChI=1S/C55H71N4O6.Mg/c1-12-38-35(8)42-27-43-36(9)40(23-24-48(61)65-26-25-34(7)22-16-21-33(6)20-15-19-32(5)18-14-17-31(3)4)52(58-43)50-51(55(63)64-11)54(62)49-37(10)44(59-53(49)50)28-46-39(13-2)41(30-60)47(57-46)29-45(38)56-42;/h12,25,27-33,36,40,51H,1,13-24,26H2,2-11H3,(H-,56,57,58,59,60,62);/q-1;+4/p-1/b34-25+;/t32-,33-,36?,40?,51-;/m1./s1
InChIKeyMWVCRINOIIOUAU-UYSPMESUSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CCC1=C(c2cc3c(c(c4n3[Mg]56[n+]2c1cc7n5c8c(c9[n+]6c(c4)C(C9CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C(C(=O)c8c7C)C(=O)OC)C)C=C)C=O
OpenEye OEToolkits 2.0.7CCC1=C(c2cc3c(c(c4n3[Mg]56[n+]2c1cc7n5c8c(c9[n+]6c(c4)C(C9CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)[C@H](C(=O)c8c7C)C(=O)OC)C)C=C)C=O
CACTVS 3.385CCC1=C(C=O)C2=Cc3n4c(C=C5[CH](C)[CH](CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C6=[N+]5[Mg]47[N]8C(=CC1=[N+]27)C(=C9C(=O)[CH](C(=O)OC)C6=C89)C)c(C)c3C=C
CACTVS 3.385CCC1=C(C=O)C2=Cc3n4c(C=C5[C@H](C)[C@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C6=[N@+]5[Mg]47[N@@]8C(=CC1=[N@+]27)C(=C9C(=O)[C@H](C(=O)OC)C6=C89)C)c(C)c3C=C
FormulaC55 H70 Mg N4 O6
NameCHLOROPHYLL B
ChEMBL
DrugBank
ZINC
PDB chain7r3k Chain 6 Residue 317 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7r3k Structure of Photosystem I Supercomplex Isolated from a Chlamydomonas reinhardtii Cytochrome b6f Temperature-Sensitive Mutant.
Resolution2.52 Å
Binding residue
(original residue number in PDB)		R76 W77 V124 R127 R128 D131 V138 P157 F161
Binding residue
(residue number reindexed from 1)		R48 W49 V96 R99 R100 D103 V110 P129 F133
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0016168 chlorophyll binding
Biological Process
GO:0009416 response to light stimulus
GO:0009765 photosynthesis, light harvesting
GO:0009768 photosynthesis, light harvesting in photosystem I
GO:0015979 photosynthesis
Cellular Component
GO:0009507 chloroplast
GO:0009522 photosystem I
GO:0009523 photosystem II
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7r3k, PDBe:7r3k, PDBj:7r3k
PDBsum7r3k
PubMed36979472
UniProtQ75VY6

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