Structure of PDB 4qya Chain A Binding Site BS01

Receptor Information
>4qya Chain A (length=116) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
CPLMVKVLDAVRGSPAINVAMHVFRKAADDTWEPFASGKTSESGELHGLT
TEEEFVEGIYKVEIDTKSYWKALGISPFHEHAEVVFTANDSGPRRYTIAA
LLSPYSYSTTAVVTNP
Ligand information
Ligand IDLU2
InChIInChI=1S/C15H10O6/c16-8-4-11(19)15-12(20)6-13(21-14(15)5-8)7-1-2-9(17)10(18)3-7/h1-6,16-19H
InChIKeyIQPNAANSBPBGFQ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.370Oc1cc(O)c2C(=O)C=C(Oc2c1)c3ccc(O)c(O)c3
OpenEye OEToolkits 1.7.6c1cc(c(cc1C2=CC(=O)c3c(cc(cc3O2)O)O)O)O
ACDLabs 12.01O=C1c3c(OC(=C1)c2ccc(O)c(O)c2)cc(O)cc3O
FormulaC15 H10 O6
Name2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-one;
Luteolin
ChEMBLCHEMBL151
DrugBankDB15584
ZINCZINC000018185774
PDB chain4qya Chain A Residue 201 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4qya The flavonoid luteolin, but not luteolin-7-o-glucoside, prevents a transthyretin mediated toxic response.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		K15 A108 L110 S117 T119
Binding residue
(residue number reindexed from 1)		K6 A99 L101 S108 T110
Annotation score1
Binding affinityBindingDB: IC50=7000nM,Kd=70nM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005179 hormone activity
GO:0005515 protein binding
GO:0042802 identical protein binding
GO:0070324 thyroid hormone binding
Biological Process
GO:0006144 purine nucleobase metabolic process
GO:0007165 signal transduction
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005737 cytoplasm
GO:0035578 azurophil granule lumen
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4qya, PDBe:4qya, PDBj:4qya
PDBsum4qya
PubMed26020516
UniProtP02766|TTHY_HUMAN Transthyretin (Gene Name=TTR)

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