1yrz

X-ray diffraction
2Å resolution

Crystal structure of xylan beta-1,4-xylosidase from Bacillus Halodurans C-125

Released:
Entry authors: Fedorov AA, Fedorov EV, Almo SC, Burley SK, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

Reaction catalysed:
Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose residues from the non-reducing termini
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-191773 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-xylosidase C-terminal Concanavalin A-like domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 528 amino acids
Theoretical weight: 60.56 KDa
Source organism: Alkalihalobacillus halodurans C-125
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9K6P5 (Residues: 1-528; Coverage: 100%)
Gene name: xynB
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X9A
Spacegroup: P21
Unit cell:
a: 54.063Å b: 125.817Å c: 97.131Å
α: 90° β: 95.08° γ: 90°
R-values:
R R work R free
0.209 0.207 0.224
Expression system: Escherichia coli