PDBe 2dkv

X-ray diffraction
2Å resolution

Crystal structure of class I chitinase from Oryza sativa L. japonica

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:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Chitinase 2 Chain: A
Molecule details ›
Chain: A
Length: 309 amino acids
Theoretical weight: 32.74 KDa
Source organism: Oryza sativa Japonica Group
Expression system: Escherichia coli
UniProt:
  • Canonical: Q7DNA1 (Residues: 33-340; Coverage: 100%)
Gene names: Cht2, LOC_Os05g33130, Os05g0399300, OsJ_18467, RC7
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: P43212
Unit cell:
a: 66.452Å b: 66.452Å c: 123.636Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.177 0.175 0.223
Expression system: Escherichia coli