Structure of PDB 1jd0 Chain A Binding Site BS02

Receptor Information
>1jd0 Chain A (length=260) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KWTYFGPDGENSWSKKYPSCGGLLQSPIDLHSDILQYDASLTPLEFQGYN
LSANKQFLLTNNGHSVKLNLPSDMHIQGLQSRYSATQLHLHWGNPNDPHG
SEHTVSGQHFAAELHIVHYNSDLYPDASTASNKSEGLAVLAVLIEMGSFN
PSYDKIFSHLQHVKYKGQEAFVPGFNIEELLPERTAEYYRYRGSLTTPPC
NPTVLWTVFRNPVQISQEQLLALETALYCTHMDDPSPREMINNFRQVQKF
DERLVYTSFS
Ligand information
Ligand IDAZM
InChIInChI=1S/C4H6N4O3S2/c1-2(9)6-3-7-8-4(12-3)13(5,10)11/h1H3,(H2,5,10,11)(H,6,7,9)
InChIKeyBZKPWHYZMXOIDC-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(=O)Nc1nnc(s1)S(=O)(=O)N
CACTVS 3.341CC(=O)Nc1sc(nn1)[S](N)(=O)=O
ACDLabs 10.04O=S(=O)(c1nnc(s1)NC(=O)C)N
FormulaC4 H6 N4 O3 S2
Name5-ACETAMIDO-1,3,4-THIADIAZOLE-2-SULFONAMIDE
ChEMBLCHEMBL20
DrugBankDB00819
ZINCZINC000003813042
PDB chain1jd0 Chain A Residue 1400 [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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PDB1jd0 Crystal structure of the dimeric extracellular domain of human carbonic anhydrase XII, a bitopic membrane protein overexpressed in certain cancer tumor cells.
Resolution1.5 Å
Binding residue
(original residue number in PDB)		Q92 H94 H119 V121 L198 T199 T200
Binding residue
(residue number reindexed from 1)		Q87 H89 H115 V117 L195 T196 T197
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=8.24,Ki=5.7nM
BindingDB: Ki=5.7nM,Kd=130nM,IC50=60nM
Enzymatic activity
Catalytic site (original residue number in PDB) H64 H94 H96 E106 H119 T199
Catalytic site (residue number reindexed from 1) H64 H89 H91 E102 H115 T196
Enzyme Commision number 4.2.1.1: carbonic anhydrase.
Gene Ontology
Molecular Function
GO:0004089 carbonate dehydratase activity
GO:0008270 zinc ion binding

View graph for
Molecular Function
External links
PDB RCSB:1jd0, PDBe:1jd0, PDBj:1jd0
PDBsum1jd0
PubMed11493685
UniProtO43570|CAH12_HUMAN Carbonic anhydrase 12 (Gene Name=CA12)

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