PDBe 1ux7

X-ray diffraction
1.5Å resolution

Carbohydrate-Binding Module CBM36 in complex with calcium and xylotriose


Function and Biology Details

Reaction catalysed:
Hydrolysis of terminal non-reducing alpha-L-arabinofuranoside residues in alpha-L-arabinosides. 
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Arabinoxylan arabinofuranohydrolase Chain: A
Molecule details ›
Chain: A
Length: 120 amino acids
Theoretical weight: 12.68 KDa
Source organism: Paenibacillus polymyxa
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P45796 (Residues: 516-635; Coverage: 20%)
Gene name: xynD
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: P212121
Unit cell:
a: 38.581Å b: 52.132Å c: 54.766Å
α: 90° β: 90° γ: 90°
R R work R free
0.157 0.155 0.202
Expression system: Escherichia coli BL21(DE3)