PDBe 1itx

X-ray diffraction
1.1Å resolution

Catalytic Domain of Chitinase A1 from Bacillus circulans WL-12


Function and Biology Details

Reaction catalysed:
Random endo-hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta- linkages in chitin and chitodextrins. 
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Chitinase A1 Chain: A
Molecule details ›
Chain: A
Length: 419 amino acids
Theoretical weight: 45.53 KDa
Source organism: Bacillus circulans
Expression system: Escherichia coli
  • Canonical: P20533 (Residues: 33-451; Coverage: 62%)
Gene name: chiA1
Sequence domains: Glycosyl hydrolases family 18
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P1
Unit cell:
a: 43.007Å b: 46.839Å c: 55.7Å
α: 109.293° β: 95.455° γ: 116.68°
R R work R free
0.117 0.116 0.137
Expression system: Escherichia coli