› 1wno

X-ray diffraction
2.1Å resolution

Crystal structure of a native chitinase from Aspergillus fumigatus YJ-407

Released:
DOI: 10.2210/pdb1wno/pdb
PDB entry 1wno coloured by chain, front view.
PDB entry 1wno coloured by chain, side view.
PDB entry 1wno coloured by chain, top view.
Source organism: Aspergillus fumigatus
Entry authors: Hu H, Wang G, Yang H, Zhou J, Mo L, Yang K, Jin C, Jin C, Rao Z

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:
Sequence domains:
Structure domains:

Structure analysis Details

Assemblies composition:
monomeric
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-183290 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Endochitinase B1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 395 amino acids
Theoretical weight: 43.53 KDa
Source organism: Aspergillus fumigatus
UniProt:
  • Canonical: Q873X9 (Residues: 39-433; Coverage: 96%)
Gene name: chiB1
Sequence domains: Glycosyl hydrolases family 18
Structure domains:

Ligands and Environments

4 bound ligands:
Ligand NDG 1 x NDG
Ligand SO4 6 x SO4
Ligand MG 2 x MG
Ligand NAG 1 x NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BSRF BEAMLINE 3W1A
Spacegroup: P212121
Unit cell:
a: 95.678Å b: 100.461Å c: 134.295Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.23 0.217 0.245

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