2cov

X-ray diffraction
1.25Å resolution

Crystal structure of CBM31 from beta-1,3-xylanase

Released:

Function and Biology Details

Reaction catalysed:
Random hydrolysis of (1->3)-beta-D-glycosidic linkages in (1->3)-beta-D-xylans
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-186033 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-1,3-xylanase Chains: D, E, F, G, H, I
Molecule details ›
Chains: D, E, F, G, H, I
Length: 104 amino acids
Theoretical weight: 12.16 KDa
Source organism: Alcaligenes sp. XY-234
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8RS40 (Residues: 375-469; Coverage: 21%)
Gene names: 3xynAlc, txyA
Sequence domains: Family 31 carbohydrate binding protein
Structure domains: Beta-1,3-xylanase, CBM31 domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL45PX
Spacegroup: P212121
Unit cell:
a: 66.551Å b: 78.29Å c: 111.42Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.151 0.149 0.175
Expression system: Escherichia coli