8fra

X-ray diffraction
1.95Å resolution

Mouse acidic mammalian chitinase, catalytic domain in complex with diacetylchitobiose at pH 5.60

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-187586 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Acidic mammalian chitinase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 397 amino acids
Theoretical weight: 44.62 KDa
Source organism: Mus musculus
Expression system: Cricetulus griseus
UniProt:
  • Canonical: Q91XA9 (Residues: 1-391; Coverage: 82%)
Gene names: Chia, Chia1
Sequence domains: Glycosyl hydrolases family 18

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer : NEW Components: NAG, NDG
1 bound ligand:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: P212121
Unit cell:
a: 92.066Å b: 106.705Å c: 146.57Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.171 0.169 0.206
Expression system: Cricetulus griseus