5i78

X-ray diffraction
1.58Å resolution

Crystal structure of a beta-1,4-endoglucanase from Aspergillus niger

Released:

Function and Biology Details

Reaction catalysed:
Endohydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose, lichenin and cereal beta-D-glucans
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-521836 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Endo-beta-1,4-glucanase B Chains: A, B
Molecule details ›
Chains: A, B
Length: 305 amino acids
Theoretical weight: 34.03 KDa
Source organism: Aspergillus niger
Expression system: Escherichia coli
UniProt:
  • Canonical: O74706 (Residues: 31-185, 186-330; Coverage: 96%)
Gene names: eglB, eng1
Sequence domains: Cellulase (glycosyl hydrolase family 5)
Structure domains: Glycosidases

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRRC BEAMLINE BL13C1
Spacegroup: C2
Unit cell:
a: 161.273Å b: 50.822Å c: 75.31Å
α: 90° β: 95.08° γ: 90°
R-values:
R R work R free
0.145 0.143 0.175
Expression system: Escherichia coli