› 1nae

X-ray diffraction
2.05Å resolution

Structure of CsCBM6-3 from Clostridium stercorarium in complex with xylotriose

Released:
DOI: 10.2210/pdb1nae/pdb
PDB entry 1nae coloured by chain, front view.
PDB entry 1nae coloured by chain, side view.
PDB entry 1nae coloured by chain, top view.
Source organism: Thermoclostridium stercorarium
Primary publication:
Structure and ligand binding of carbohydrate-binding module CsCBM6-3 reveals similarities with fucose-specific lectins and "galactose-binding" domains.
Boraston AB, Notenboom V, Warren RA, Kilburn DG, Rose DR, Davies G
J Mol Biol 327 659-69 (2003)
PMID: 12634060

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
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-184526 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Endo-1,4-beta-xylanase A Chain: A
Molecule details ›
Chain: A
Length: 168 amino acids
Theoretical weight: 17.41 KDa
Source organism: Thermoclostridium stercorarium
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8GJ44 (Residues: 507-651; Coverage: 23%)
Gene name: xynA
Sequence domains: Carbohydrate binding module (family 6)
Structure domains: Galactose-binding domain-like

Ligands and Environments

Carbohydrate polymer : NEW Components: XYP
Carbohydrate polymer
1 bound ligand:
Ligand CA 1 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P21
Unit cell:
a: 29.648Å b: 49.746Å c: 36.082Å
α: 90° β: 93.18° γ: 90°
R-values:
R R work R free
0.137 0.134 0.195
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

5 review citations

Advances in understanding the molecular basis of plant cell wall polysaccharide recognition by carbohydrate-binding modules.
Gilbert et al. (2013)
4 more

1 mention without citation

Carbohydrate-binding modules: fine-tuning polysaccharide recognition.
Boraston et al. (2004)