Structure of PDB 5eh7 Chain A Binding Site BS02

Receptor Information
>5eh7 Chain A (length=256) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
WGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQA
TSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQG
SEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKP
GLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLE
CVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQ
IKASFK
Ligand information
Ligand ID5O5
InChIInChI=1S/C8H6Cl2N4O/c9-6-2-1-5(3-7(6)10)15-4-8-11-13-14-12-8/h1-3H,4H2,(H,11,12,13,14)
InChIKeyZOGKJMQMVBATST-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.385Clc1ccc(OCc2[nH]nnn2)cc1Cl
OpenEye OEToolkits 2.0.4c1cc(c(cc1OCc2[nH]nnn2)Cl)Cl
FormulaC8 H6 Cl2 N4 O
Name5-[[3,4-bis(chloranyl)phenoxy]methyl]-1~{H}-1,2,3,4-tetrazole
ChEMBL
DrugBank
ZINCZINC000041291718
PDB chain5eh7 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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PDB5eh7 Native State Mass Spectrometry, Surface Plasmon Resonance, and X-ray Crystallography Correlate Strongly as a Fragment Screening Combination.
Resolution1.425 Å
Binding residue
(original residue number in PDB)		Q92 H94 H119 F130 L197 T198 T199 W208
Binding residue
(residue number reindexed from 1)		Q88 H90 H115 F126 L193 T194 T195 W204
Annotation score1
Binding affinityMOAD: Kd=330uM
PDBbind-CN: -logKd/Ki=3.48,Kd=330uM
Enzymatic activity
Catalytic site (original residue number in PDB) H64 H94 H96 E106 H119 T198
Catalytic site (residue number reindexed from 1) H60 H90 H92 E102 H115 T194
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:0018820 cyanamide hydratase activity
GO:0046872 metal ion binding
Biological Process
GO:0002009 morphogenesis of an epithelium
GO:0006730 one-carbon metabolic process
GO:0015670 carbon dioxide transport
GO:0032230 positive regulation of synaptic transmission, GABAergic
GO:0032849 positive regulation of cellular pH reduction
GO:0038166 angiotensin-activated signaling pathway
GO:0044070 regulation of monoatomic anion transport
GO:0046903 secretion
GO:0051453 regulation of intracellular pH
GO:0070050 neuron cellular homeostasis
GO:2001150 positive regulation of dipeptide transmembrane transport
GO:2001225 regulation of chloride transport
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005886 plasma membrane
GO:0043209 myelin sheath
GO:0045177 apical part of cell
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:5eh7, PDBe:5eh7, PDBj:5eh7
PDBsum5eh7
PubMed26882437
UniProtP00918|CAH2_HUMAN Carbonic anhydrase 2 (Gene Name=CA2)

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