Structure of PDB 5gmm Chain A Binding Site BS03

Receptor Information
>5gmm 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 ID949
InChIInChI=1S/C18H16FNO4S/c1-18(2)17(21)15(12-4-3-5-13(19)10-12)16(24-18)11-6-8-14(9-7-11)25(20,22)23/h3-10H,1-2H3,(H2,20,22,23)
InChIKeyIJWPAFMIFNSIGD-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.5CC1(C(=O)C(=C(O1)c2ccc(cc2)S(=O)(=O)N)c3cccc(c3)F)C
CACTVS 3.385CC1(C)OC(=C(C1=O)c2cccc(F)c2)c3ccc(cc3)[S](N)(=O)=O
FormulaC18 H16 F N O4 S
Name4-[3-(3-fluorophenyl)-5,5-dimethyl-4-oxidanylidene-furan-2-yl]benzenesulfonamide;
Polmacoxib
ChEMBLCHEMBL166863
DrugBankDB12399
ZINCZINC000000589683
PDB chain5gmm Chain A Residue 303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5gmm Structural insight into the inhibition of carbonic anhydrase by the COX-2-selective inhibitor polmacoxib (CG100649).
Resolution2.003 Å
Binding residue
(original residue number in PDB)		I60 V62 H67 Q92 K170
Binding residue
(residue number reindexed from 1)		I57 V59 H64 Q89 K167
Annotation score1
Binding affinityMOAD: Kd=29.1uM
PDBbind-CN: -logKd/Ki=4.54,Kd=29.1uM
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:5gmm, PDBe:5gmm, PDBj:5gmm
PDBsum5gmm
PubMed27475498
UniProtP00915|CAH1_HUMAN Carbonic anhydrase 1 (Gene Name=CA1)

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