Structure of PDB 6i76 Chain A Binding Site BS01

Receptor Information
>6i76 Chain A (length=138) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PLIVPYNLPLPGGVVPRMLITILGTVKPNANRIALDFQRGNDVAFHFNPR
FNENNRRVIVCNTKLDNNWGREERQSVFPFESGKPFKIQVLVEPDHFKVA
VNDAHLLQYNHRVKKLNEISKLGISGDIDLTSASYTMI
Ligand information
Ligand IDH5N
InChIInChI=1S/C21H18F4N6O4S/c1-8-2-4-9(5-3-8)36-21-20(34)18(19(33)11(7-32)35-21)31-6-10(27-30-31)12-13(22)15(24)17(28-29-26)16(25)14(12)23/h2-6,11,18-21,32-34H,7H2,1H3/t11-,18+,19+,20-,21+/m1/s1
InChIKeyFIXMLRNYDRGIEZ-WZZIOWGKSA-N
SMILES
SoftwareSMILES
CACTVS 3.385Cc1ccc(S[CH]2O[CH](CO)[CH](O)[CH]([CH]2O)n3cc(nn3)c4c(F)c(F)c(N=[N+]=[N-])c(F)c4F)cc1
OpenEye OEToolkits 2.0.6Cc1ccc(cc1)S[C@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)n3cc(nn3)c4c(c(c(c(c4F)F)N=[N+]=[N-])F)F)O
CACTVS 3.385Cc1ccc(S[C@@H]2O[C@H](CO)[C@H](O)[C@@H]([C@H]2O)n3cc(nn3)c4c(F)c(F)c(N=[N+]=[N-])c(F)c4F)cc1
OpenEye OEToolkits 2.0.6Cc1ccc(cc1)SC2C(C(C(C(O2)CO)O)n3cc(nn3)c4c(c(c(c(c4F)F)N=[N+]=[N-])F)F)O
FormulaC21 H18 F4 N6 O4 S
Name(2~{R},3~{R},4~{S},5~{R},6~{S})-4-[4-[4-azido-2,3,5,6-tetrakis(fluoranyl)phenyl]-1,2,3-triazol-1-yl]-2-(hydroxymethyl)-6-(4-methylphenyl)sulfanyl-oxane-3,5-diol
ChEMBL
DrugBank
ZINC
PDB chain6i76 Chain A Residue 301 [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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PDB6i76 Substituted polyfluoroaryl interactions with an arginine side chain in galectin-3 are governed by steric-, desolvation and electronic conjugation effects.
Resolution1.2 Å
Binding residue
(original residue number in PDB)
R144 A146 H158 N160 R162 N174 W181 E184 G238
Binding residue
(residue number reindexed from 1)
R32 A34 H46 N48 R50 N62 W69 E72 G126
Annotation score1
Binding affinityMOAD: Kd=8.5uM
PDBbind-CN: -logKd/Ki=5.07,Kd=8.5uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0030246 carbohydrate binding

View graph for
Molecular Function
External links
PDB RCSB:6i76, PDBe:6i76, PDBj:6i76
PDBsum6i76
PubMed30632578
UniProtP17931|LEG3_HUMAN Galectin-3 (Gene Name=LGALS3)

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