PDBe 1gmm

X-ray diffraction
2Å resolution

Carbohydrate binding module CBM6 from xylanase U Clostridium thermocellum


Function and Biology Details

Reaction catalysed:
Endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans. 
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Endo-1,4-beta-xylanase Chain: A
Molecule details ›
Chain: A
Length: 133 amino acids
Theoretical weight: 14.12 KDa
Source organism: Ruminiclostridium thermocellum
Expression system: Escherichia coli
  • Canonical: O52780 (Residues: 248-380; Coverage: 20%)
Gene name: xynU
Sequence domains: Carbohydrate binding module (family 6)
Structure domains: Galactose-binding domain-like

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P6522
Unit cell:
a: 59.65Å b: 59.65Å c: 157.45Å
α: 90° β: 90° γ: 120°
R R work R free
0.208 0.208 0.216
Expression system: Escherichia coli