1v9i

X-ray diffraction
2.95Å resolution

Crystal Structure Analysis of the site specific mutant (Q253C) of bovine carbonic anhydrase II

Released:
Source organism: Bos taurus
Entry authors: Saito R, Sato T, Ikai A, Tanaka N

Function and Biology Details

Reactions catalysed:
H(2)CO(3) = CO(2) + H(2)O
Urea = cyanamide + H(2)O
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133687 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carbonic anhydrase 2 Chain: C
Molecule details ›
Chain: C
Length: 261 amino acids
Theoretical weight: 29.26 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
UniProt:
  • Canonical: P00921 (Residues: 2-260; Coverage: 100%)
Gene name: CA2
Sequence domains: Eukaryotic-type carbonic anhydrase
Structure domains: Alpha carbonic anhydrase

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: P3121
Unit cell:
a: 73.1Å b: 73.1Å c: 116Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.247 0.247 0.346
Expression system: Escherichia coli