X-ray diffraction
1.99Å resolution

A. nidulans chitin deacetylase

Source organism: Aspergillus nidulans
Entry authors: Penman G, Gay LM, van Aalten DMF

Function and Biology Details

Reaction catalysed:
Chitin + H(2)O = chitosan + acetate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Chitin deacetylase Chains: A, B
Molecule details ›
Chains: A, B
Length: 230 amino acids
Theoretical weight: 25.61 KDa
Source organism: Aspergillus nidulans
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q5AQQ0 (Residues: 19-237; Coverage: 100%)
Gene names: ANIA_09380, cda
Sequence domains: Polysaccharide deacetylase
Structure domains: Glycoside hydrolase/deacetylase

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P21
Unit cell:
a: 35.64Å b: 64.52Å c: 86.54Å
α: 90° β: 101.16° γ: 90°
R R work R free
0.159 0.157 0.205
Expression system: Escherichia coli BL21(DE3)