Structure of PDB 1g6v Chain A

Receptor sequence
>1g6vA (length=256) Species: 9913 (Bos taurus) [Search protein sequence]
HWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQ
ATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQ
GSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAK
PGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLL
ECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNR
QIKASF
3D structure
PDB1g6v Antigen specificity and high affinity binding provided by one single loop of a camel single-domain antibody.
ChainA
Resolution3.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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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 T195
Enzyme Commision number 4.2.1.1: carbonic anhydrase.
4.2.1.69: cyanamide hydratase.
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 H94 H96 H119 H91 H93 H116
Gene Ontology
Molecular Function
GO:0004089 carbonate dehydratase activity
GO:0008270 zinc ion binding
GO:0016829 lyase activity
GO:0018820 cyanamide hydratase activity
GO:0046872 metal ion binding
Biological Process
GO:0006730 one-carbon metabolic process
GO:0015670 carbon dioxide transport
GO:0038166 angiotensin-activated signaling pathway
GO:0044070 regulation of monoatomic anion transport
GO:0051453 regulation of intracellular pH
GO:2001150 positive regulation of dipeptide transmembrane transport
Cellular Component
GO:0005737 cytoplasm
GO:0005886 plasma membrane
GO:0045177 apical part of cell

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Cellular Component
External links
PDB RCSB:1g6v, PDBe:1g6v, PDBj:1g6v
PDBsum1g6v
PubMed11342547
UniProtP00921|CAH2_BOVIN Carbonic anhydrase 2 (Gene Name=CA2)

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