› 3wkz

X-ray diffraction
2Å resolution

Crystal Structure of the Ostrinia furnacalis Group I Chitinase catalytic domain E148Q mutant

Released:
DOI: 10.2210/pdb3wkz/pdb
PDB entry 3wkz coloured by chain, front view.
PDB entry 3wkz coloured by chain, side view.
PDB entry 3wkz coloured by chain, top view.
Source organism: Ostrinia furnacalis
Primary publication:
Structural characteristics of an insect group I chitinase, an enzyme indispensable to moulting.
Chen L, Liu T, Zhou Y, Chen Q, Shen X, Yang Q
Acta Crystallogr D Biol Crystallogr 70 932-42 (2014)
PMID: 24699639

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
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-174088 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Chitinase Chain: A
Molecule details ›
Chain: A
Length: 395 amino acids
Theoretical weight: 44.99 KDa
Source organism: Ostrinia furnacalis
Expression system: Komagataella pastoris
UniProt:
  • Canonical: Q2V6H4 (Residues: 19-407; Coverage: 73%)
Sequence domains: Glycosyl hydrolases family 18
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand NAG 2 x NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P65
Unit cell:
a: 94.241Å b: 94.241Å c: 122.195Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.16 0.158 0.186
Expression system: Komagataella pastoris

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Citations

1 review citation

Chitinase: diversity, limitations, and trends in engineering for suitable applications.
Oyeleye et al. (2018)
9 other articles

1 mention without citation

Structural characteristics of an insect group I chitinase, an enzyme indispensable to moulting.
Chen et al. (2014)