Structure of PDB 3czv Chain A

Receptor sequence
>3czvA (length=258) Species: 9606 (Homo sapiens) [Search protein sequence]
SWGYREHNGPIHWKEFFPIADGDQQSPIEIKTKEVKYDSSLRPLSIKYDP
SSAKIISNSGHSFNVDFDDTENKSVLRGGPLTGSYRLRQVHLHWGSADDH
GSEHIVDGVSYAAELHVVHWNSDKYPSFVEAAHEPDGLAVLGVFLQIGEP
NSQLQKITDTLDSIKEKGKQTRFTNFDLLSLLPPSWDYWTYPGSLTVPPL
LESVTWIVLKQPINISSQQLAKFRSLLCTAEGEAAAFLVSNHRPPQPLKG
RKVRASFH
3D structure
PDB3czv Crystal structure of human carbonic anhydrase XIII and its complex with the inhibitor acetazolamide.
ChainA
Resolution2.0 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 T196
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 H94 H96 H119 H91 H93 H116
BS02 AZM A H94 F131 L198 T199 V200 H91 F128 L195 T196 V197 MOAD: Ki=16nM
PDBbind-CN: -logKd/Ki=7.80,Ki=16nM
BindingDB: Ki=17nM,Kd=50nM
Gene Ontology
Molecular Function
GO:0004089 carbonate dehydratase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0016829 lyase activity
GO:0046872 metal ion binding
Biological Process
GO:0006730 one-carbon metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0043209 myelin sheath
GO:0043231 intracellular membrane-bounded organelle

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3czv, PDBe:3czv, PDBj:3czv
PDBsum3czv
PubMed18618712
UniProtQ8N1Q1|CAH13_HUMAN Carbonic anhydrase 13 (Gene Name=CA13)

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