X-ray diffraction
1.8Å resolution

Structure and activity of the GH20 beta-N-acetylhexosaminidase from Streptomyces coelicolor A3(2)


Function and Biology Details

Reaction catalysed:
Hydrolysis of terminal non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Beta-N-acetylhexosaminidase Chain: A
Molecule details ›
Chain: A
Length: 494 amino acids
Theoretical weight: 54.21 KDa
Source organism: Streptomyces coelicolor
Expression system: Streptomyces lividans
  • Canonical: Q9L068 (Residues: 42-535; Coverage: 99%)
Gene name: SCO2786
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: P212121
Unit cell:
a: 58.17Å b: 64.45Å c: 143.67Å
α: 90° β: 90° γ: 90°
R R work R free
0.169 0.167 0.21
Expression system: Streptomyces lividans