PDBe 1znc

X-ray diffraction
2.8Å resolution

HUMAN CARBONIC ANHYDRASE IV

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carbonic anhydrase 4 Chains: A, B
Molecule details ›
Chains: A, B
Length: 266 amino acids
Theoretical weight: 30.36 KDa
Source organism: Homo sapiens
Expression system: Cricetulus griseus
UniProt:
  • Canonical: P22748 (Residues: 19-284; Coverage: 91%)
Gene name: CA4
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: C2
Unit cell:
a: 89.5Å b: 47.7Å c: 141Å
α: 90° β: 106.3° γ: 90°
R-values:
R R work R free
0.197 0.197 0.252
Expression system: Cricetulus griseus