Structure of PDB 5tv3 Chain A Binding Site BS02

Receptor Information
>5tv3 Chain A (length=226) Species: 85962 (Helicobacter pylori 26695) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KWDYKNKENGPHRWDKLHKDFEVCKSGKSQSPINIEHYYHTQDKADLQFK
YAASKPKAVFFTHHTLKASFEPTNHINYRGHDYVLDNVHFHAPMEFLINN
KTRPLSAHFVHKDAKGRLLVLAIGFEEGKENPNLDPILEGIQKKQNFKEV
ALDAFLPKSINYYHFNGSLTAPPCTEGVAWFVIEEPLEVSAKQLAEIKKR
MKNSPNQRPVQPDYNTVIIKSSAETR
Ligand information
Ligand ID7L3
InChIInChI=1S/C13H18N4O4S3/c1-13(2,3)9-5-7-10(8-6-9)24(20,21)16-11-17(4)15-12(22-11)23(14,18)19/h5-8H,1-4H3,(H2,14,18,19)/b16-11-
InChIKeyNSQKDLKNBCRMRT-WJDWOHSUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.6CC(C)(C)c1ccc(cc1)S(=O)(=O)N=C2N(N=C(S2)S(=O)(=O)N)C
ACDLabs 12.01CC(C)(c1ccc(cc1)S(=O)(=O)\N=C2/SC(S(=O)(N)=O)=NN2C)C
OpenEye OEToolkits 2.0.6CC(C)(C)c1ccc(cc1)S(=O)(=O)/N=C\2/N(N=C(S2)S(=O)(=O)N)C
CACTVS 3.385CN1N=C(SC1=N[S](=O)(=O)c2ccc(cc2)C(C)(C)C)[S](N)(=O)=O
FormulaC13 H18 N4 O4 S3
Name(5Z)-5-{[(4-tert-butylphenyl)sulfonyl]imino}-4-methyl-4,5-dihydro-1,3,4-thiadiazole-2-sulfonamide
ChEMBL
DrugBank
ZINC
PDB chain5tv3 Chain A Residue 302 [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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PDB5tv3 Structure-Activity Relationship for Sulfonamide Inhibition of Helicobacter pylori alpha-Carbonic Anhydrase.
Resolution2.9 Å
Binding residue
(original residue number in PDB)
K88 H110 H112 H129 L190 T191
Binding residue
(residue number reindexed from 1)
K67 H89 H91 H108 L169 T170
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=8.09,Ki=8.2nM
Enzymatic activity
Catalytic site (original residue number in PDB) H85 H110 H112 E116 H129 T191
Catalytic site (residue number reindexed from 1) H64 H89 H91 E95 H108 T170
Enzyme Commision number 4.2.1.1: carbonic anhydrase.
Gene Ontology
Molecular Function
GO:0004089 carbonate dehydratase activity
GO:0008270 zinc ion binding
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:5tv3, PDBe:5tv3, PDBj:5tv3
PDBsum5tv3
PubMed28002963
UniProtA0A0M3KL20

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