PDBe 1ta3

X-ray diffraction
1.7Å resolution

Crystal Structure of xylanase (GH10) in complex with inhibitor (XIP)


Function and Biology Details

Reaction catalysed:
Endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans. 

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Endo-1,4-beta-xylanase C Chain: B
Molecule details ›
Chain: B
Length: 303 amino acids
Theoretical weight: 33.06 KDa
Source organism: Aspergillus nidulans
Expression system: Aspergillus nidulans
  • Canonical: Q00177 (Residues: 25-327; Coverage: 100%)
Gene names: AN1818, xlnC
Sequence domains: Glycosyl hydrolase family 10
Structure domains: Glycosidases
Xylanase inhibitor protein 1 Chain: A
Molecule details ›
Chain: A
Length: 274 amino acids
Theoretical weight: 30.32 KDa
Source organism: Triticum aestivum
  • Canonical: Q8L5C6 (Residues: 31-304; Coverage: 100%)
Gene name: XIPI
Sequence domains: Glycosyl hydrolases family 18
Structure domains: Glycosidases

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P212121
Unit cell:
a: 46.73Å b: 75.872Å c: 159.654Å
α: 90° β: 90° γ: 90°
R R work R free
0.134 0.133 0.166
Expression system: Aspergillus nidulans