Structure of PDB 6f3b Chain A Binding Site BS02

Receptor Information
>6f3b Chain A (length=257) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DWGYDDKNGPEQWSKLYPIANGNNQSPVDIKTSETKHDTSLKPISVSYNP
ATAKEIINVGHSFHVNFEDNDNRSVLKGGPFSDSYRLFQFHFHWGSTNEH
GSEHTVDGVKYSAELHVAHWNSAKYSSLAEAASKADGLAVIGVLMKVGEA
NPKLQKVLDALQAIKTKGKRAPFTNFDPSTLLPSSLDFWTYPGSLTHPPL
YESVTWIICKESISVSSEQLAQFRSLLSNVEGDNAVPMQHNNRPTQPLKG
RTVRASF
Ligand information
Ligand IDCJK
InChIInChI=1S/C15H17N3O4S/c1-10-2-4-11(5-3-10)9-17-15(20)18-13-8-12(23(16,21)22)6-7-14(13)19/h2-8,19H,9H2,1H3,(H2,16,21,22)(H2,17,18,20)
InChIKeyWPPWDFYGZHFOAE-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.6Cc1ccc(cc1)CNC(=O)Nc2cc(ccc2O)S(=O)(=O)N
CACTVS 3.385Cc1ccc(CNC(=O)Nc2cc(ccc2O)[S](N)(=O)=O)cc1
FormulaC15 H17 N3 O4 S
Name1-[(4-methylphenyl)methyl]-3-(2-oxidanyl-5-sulfamoyl-phenyl)urea
ChEMBLCHEMBL4294703
DrugBank
ZINC
PDB chain6f3b Chain A Residue 302 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6f3b Discovery of 4-Hydroxy-3-(3-(phenylureido)benzenesulfonamides as SLC-0111 Analogues for the Treatment of Hypoxic Tumors Overexpressing Carbonic Anhydrase IX.
Resolution1.4 Å
Binding residue
(original residue number in PDB)		H94 H96 A135 L198 T199 H200 P202
Binding residue
(residue number reindexed from 1)		H91 H93 A132 L195 T196 H197 P199
Annotation score1
Binding affinityMOAD: Ki=273.3nM
PDBbind-CN: -logKd/Ki=6.56,Ki=273.3nM
BindingDB: Ki=273nM
Enzymatic activity
Catalytic site (original residue number in PDB) H64 H94 H96 E106 H119 T199
Catalytic site (residue number reindexed from 1) H61 H91 H93 E103 H116 T196
Enzyme Commision number 4.2.1.1: carbonic anhydrase.
4.2.1.69: cyanamide hydratase.
Gene Ontology
Molecular Function
GO:0004064 arylesterase activity
GO:0004089 carbonate dehydratase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0016829 lyase activity
GO:0016836 hydro-lyase activity
GO:0018820 cyanamide hydratase activity
GO:0046872 metal ion binding
Biological Process
GO:0006730 one-carbon metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
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:6f3b, PDBe:6f3b, PDBj:6f3b
PDBsum6f3b
PubMed29962205
UniProtP00915|CAH1_HUMAN Carbonic anhydrase 1 (Gene Name=CA1)

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