› 1om0

X-ray diffraction
1.8Å resolution

crystal structure of xylanase inhibitor protein (XIP-I) from wheat

Released:
DOI: 10.2210/pdb1om0/pdb
PDB entry 1om0 coloured by chain, front view.
PDB entry 1om0 coloured by chain, side view.
PDB entry 1om0 coloured by chain, top view.
Source organism: Triticum aestivum
Primary publication:
Structural analysis of xylanase inhibitor protein I (XIP-I), a proteinaceous xylanase inhibitor from wheat (Triticum aestivum, var. Soisson).
Payan F, Flatman R, Porciero S, Williamson G, Juge N, Roussel A
Biochem J 372 399-405 (2003)
PMID: 12617724

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-185254 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Xylanase inhibitor protein 1 Chain: A
Molecule details ›
Chain: A
Length: 274 amino acids
Theoretical weight: 30.32 KDa
Source organism: Triticum aestivum
UniProt:
  • 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:
Ligand NAG 2 x NAG
Ligand EDO 9 x EDO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P43212
Unit cell:
a: 58.475Å b: 58.475Å c: 191.954Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.197 0.225

Quick links

Citations

8 review citations

Recent advances in plant cell wall proteomics.
Jamet et al. (2008)
7 more

3 mentions without citation

Deciphering the complexities of the wheat flour proteome using quantitative two-dimensional electrophoresis, three proteases and tandem mass spectrometry.
Dupont et al. (2011)
2 more