PDBe 3mhc

X-ray diffraction
1.7Å resolution

Crystal structure of human cabonic anhydrase II in adduct with an adamantyl analogue of acetazolamide in a novel hydrophobic binding pocket


Function and Biology Details

Reaction catalysed:
H(2)CO(3) = CO(2) + H(2)O. 
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Carbonic anhydrase 2 Chain: A
Molecule details ›
Chain: A
Length: 260 amino acids
Theoretical weight: 29.29 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • Canonical: P00918 (Residues: 1-260; Coverage: 100%)
Gene name: CA2
Sequence domains: Eukaryotic-type carbonic anhydrase
Structure domains: Carbonic Anhydrase II

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: P21
Unit cell:
a: 42.235Å b: 41.351Å c: 71.898Å
α: 90° β: 104.244° γ: 90°
R R work R free
0.168 0.166 0.212
Expression system: Escherichia coli BL21