Structure of PDB 3ou9 Chain A

Receptor sequence
>3ou9A (length=205) Species: 2210 (Methanosarcina thermophila) [Search protein sequence]
SNIRENPVTPFNPEPSAPVIDPTAYIDPQASVIGEVTIGANVMVSPMASI
RSDEGMPIFVGDRSNVQDGVVLHALETINEEGEPIEDNIVEVDGKEYAVY
IGNNVSLAHQSQVHGPAAVGDDTFIGMQAFVFKSKVGNNCVLEPRSAAIG
VTIPDGRYIPAGMVVTSQAEADKLPEVTDDYAYSHTNEAVVYVNVHLAEG
YKETS
3D structure
PDB3ou9 Crystal structure of gamma-carbonic anhydrase W19F mutant from Methanosarcina thermophila
ChainA
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E62 Q75 H81 E84 H117 H122 N202
Catalytic site (residue number reindexed from 1) E54 Q67 H73 E76 H109 H114 N194
Enzyme Commision number 4.2.1.1: carbonic anhydrase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ZN A H81 H122 H73 H114
BS02 BCT A E62 H81 H122 E54 H73 H114 BindingDB: Ki=42000000nM
Gene Ontology
Molecular Function
GO:0004089 carbonate dehydratase activity
GO:0008270 zinc ion binding
GO:0016829 lyase activity
GO:0043199 sulfate binding
GO:0046872 metal ion binding
GO:0050897 cobalt ion binding
GO:0071890 bicarbonate binding
Cellular Component
GO:0005576 extracellular region

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Molecular Function
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Cellular Component
External links
PDB RCSB:3ou9, PDBe:3ou9, PDBj:3ou9
PDBsum3ou9
PubMed
UniProtP40881|CAH_METTT Carbonic anhydrase (Gene Name=MSTHT_0588)

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