Structure of PDB 8hg5 Chain R Binding Site BS13

Receptor Information
>8hg5 Chain R (length=201) Species: 70448 (Ostreococcus tauri) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DIYPEFGTYPGGGESPIIPFGSEKNAEREVIHGRWAMLGVTGAWAAENGT
GIPWFTAGTLCTPDDCTAVADKFPGAVAPLAPEGSGYPSFWNVLIIEIVL
VGAAEAYRTGISDSPFDDGLTVGDVNPGGRFDPLGLAESGDLEELKIKEL
KHCRLSMFAWLGCIFQALATQEGPIANWQSHVADPVHSNVLTNAAKGFGF
Y
Ligand information
Ligand IDKC2
InChIInChI=1S/C35H30N4O5.Mg/c1-8-19-15(3)22-12-24-17(5)21(10-11-28(40)41)32(38-24)30-31(35(43)44-7)34(42)29-18(6)25(39-33(29)30)14-27-20(9-2)16(4)23(37-27)13-26(19)36-22;/h8-14,31H,1-2H2,3-7H3,(H3,36,37,38,39,40,41,42);/q;+2/p-2/b11-10+,22-12-,23-13-,24-12-,25-14-,26-13-,27-14-,32-30-;/t31-;/m1./s1
InChIKeyQDRBYWCRXZZVLY-QIEHNWLWSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.6Cc1c2cc3nc(c4c5c(c(c6n5[Mg]n2c(c1C=C)cc7nc(c6)C(=C7C)C=C)C)C(=O)C4C(=O)OC)C(=C3C)C=CC(=O)O
CACTVS 3.385COC(=O)[C@H]1C(=O)c2c(C)c3/C=C/4N=C(/C=C5\[N@]\6[Mg]n3c2/C1=C/7N=C(\C=C\6C(=C5C=C)C)C(=C/7/C=C/C(O)=O)C)C(=C/4C=C)C
OpenEye OEToolkits 2.0.6Cc1/c/2c/c3n/c(c/4\c5c(c(c/6n5[Mg]n2/c(/c1C=C)c\c7n/c(c6)/C(=C7C)C=C)C)C(=O)[C@@H]4C(=O)OC)/C(=C3C)/C=C/C(=O)O
CACTVS 3.385COC(=O)[CH]1C(=O)c2c(C)c3C=C4N=C(C=C5[N]6[Mg]n3c2C1=C7N=C(C=C6C(=C5C=C)C)C(=C7C=CC(O)=O)C)C(=C4C=C)C
ACDLabs 12.01N16C=3C(=C(C1=CC=7C(=C(C(=Cc2n(c5c(c2C)C(C(C(=O)OC)C5=C4C(=C(C(C=3)=N4)C)\C=C\C(=O)O)=O)[Mg]6)N=7)\C=C)C)\C=C)C
FormulaC35 H28 Mg N4 O5
NameChlorophyll c2
ChEMBL
DrugBank
ZINC
PDB chain8hg5 Chain R Residue 312 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB8hg5 The photosystem I supercomplex from a primordial green alga Ostreococcus tauri harbors three light-harvesting complex trimers.
Resolution2.9 Å
Binding residue
(original residue number in PDB)		K56 E59 R60 I63 W67 E137 R140 T141
Binding residue
(residue number reindexed from 1)		K24 E27 R28 I31 W35 E105 R108 T109
Annotation score1
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
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Cellular Component
External links
PDB RCSB:8hg5, PDBe:8hg5, PDBj:8hg5
PDBsum8hg5
PubMed36951548
UniProtQ3B9U7

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