› 4pmd

X-ray diffraction
1.7Å resolution

Crystal structure of CbXyn10B from Caldicellulosiruptor bescii and its mutant(E139A) in complex with hydrolyzed xylotetraose

Released:
DOI: 10.2210/pdb4pmd/pdb
PDB entry 4pmd coloured by chain, front view.
PDB entry 4pmd coloured by chain, side view.
PDB entry 4pmd coloured by chain, top view.
Source organism: Caldicellulosiruptor bescii DSM 6725
Entry authors: An J, Feng Y, Wu G

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-110866 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Beta-xylanase Chain: A
Molecule details ›
Chain: A
Length: 338 amino acids
Theoretical weight: 40.31 KDa
Source organism: Caldicellulosiruptor bescii DSM 6725
Expression system: Escherichia coli
UniProt:
  • Canonical: B9MMA5 (Residues: 1-337; Coverage: 100%)
Gene name: Athe_0185
Sequence domains: Glycosyl hydrolase family 10
Structure domains: Glycosidases

Ligands and Environments

Carbohydrate polymer : NEW Components: XYP
Carbohydrate polymer
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 42.319Å b: 80.817Å c: 115.19Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.193 0.192 0.212
Expression system: Escherichia coli

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