1jcz

X-ray diffraction
1.55Å resolution

CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN CARBONIC ANHYDRASE XII

Released:

Function and Biology Details

Reaction catalysed:
H(2)CO(3) = CO(2) + H(2)O
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-129005 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carbonic anhydrase 12 Chains: A, B
Molecule details ›
Chains: A, B
Length: 263 amino acids
Theoretical weight: 29.86 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O43570 (Residues: 29-291; Coverage: 80%)
Gene name: CA12
Sequence domains: Eukaryotic-type carbonic anhydrase
Structure domains: Alpha carbonic anhydrase

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: C2
Unit cell:
a: 146.733Å b: 44.578Å c: 85.167Å
α: 90° β: 94.1° γ: 90°
R-values:
R R work R free
0.194 0.194 0.221
Expression system: Escherichia coli BL21(DE3)