2w1u

X-ray diffraction
2Å resolution

A family 32 carbohydrate-binding module, from the Mu toxin produced by Clostridium perfringens, in complex with beta-D-glcNAc-beta(1,3) galNAc

Released:

Function and Biology Details

Reaction catalysed:
Random hydrolysis of (1->4)-linkages between N-acetyl-beta-D-glucosamine and D-glucuronate residues in hyaluronate
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-150857 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Hyaluronoglucosaminidase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 192 amino acids
Theoretical weight: 21.4 KDa
Source organism: Clostridium perfringens
Expression system: Escherichia coli
UniProt:
  • Canonical: P26831 (Residues: 801-975; Coverage: 11%)
Gene names: CPE0191, nagH
Sequence domains: F5/8 type C domain
Structure domains: Galactose-binding domain-like

Ligands and Environments

Carbohydrate polymer : NEW Components: NGA, NAG
Carbohydrate polymer : NEW Components: NAG, A2G
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P3121
Unit cell:
a: 91.17Å b: 91.17Å c: 132.607Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.171 0.169 0.213
Expression system: Escherichia coli