Structure of PDB 6a2w Chain A Binding Site BS13

Receptor Information
>6a2w Chain A (length=166) Species: 556484 (Phaeodactylum tricornutum CCAP 1055/1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AFEDELGAQPPLGFFDPLGLVADGDQEKFDRLRYVEIKHGRISMLAVVGY
LVQEAGVRLPGTIDYSGKTFAEIPNGFAAFKEIPAGGLVQLLFFIGVLES
SVMRDLTGEAEFVGDFRNGAIDFGWDTFDEETQFKKRAIELNQGRAAQMG
ILALMVHEQLGVSLLP
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 chain6a2w Chain A Residue 407 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6a2w Structural basis for blue-green light harvesting and energy dissipation in diatoms.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		R41 M44 D115 F116 R117 F123 W125 F128 I139 E140
Binding residue
(residue number reindexed from 1)		R41 M44 D115 F116 R117 F123 W125 F128 I139 E140
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0016168 chlorophyll binding
GO:0042802 identical protein binding
GO:0046872 metal ion 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:0009536 plastid
GO:0016020 membrane
GO:0030076 light-harvesting complex

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6a2w, PDBe:6a2w, PDBj:6a2w
PDBsum6a2w
PubMed30733387
UniProtB7FRW2

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