Structure of PDB 1huh Chain A Binding Site BS02

Receptor Information
>1huh 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 IDIOD
InChIInChI=1S/HI/h1H/p-1
InChIKeyXMBWDFGMSWQBCA-UHFFFAOYSA-M
SMILES
SoftwareSMILES
ACDLabs 10.04
CACTVS 3.341
OpenEye OEToolkits 1.5.0		[I-]
FormulaI
NameIODIDE ION
ChEMBL
DrugBankDB12754
ZINC
PDB chain1huh Chain A Residue 520 [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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PDB1huh Differences in anionic inhibition of human carbonic anhydrase I revealed from the structures of iodide and gold cyanide inhibitor complexes.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		H94 H119 T199
Binding residue
(residue number reindexed from 1)		H91 H116 T196
Annotation score1
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:1huh, PDBe:1huh, PDBj:1huh
PDBsum1huh
PubMed15299369
UniProtP00915|CAH1_HUMAN Carbonic anhydrase 1 (Gene Name=CA1)

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