X-ray diffraction
2.29Å resolution

Different transition state conformations for the hydrolysis of beta-mannosides and beta-glucosides in the rice Os7BGlu26 family GH1 beta-mannosidase/beta-glucosidase

Source organism: Oryza sativa Indica Group
Entry authors: Tankrathok A, Iglesias-Fernandez J, Williams RJ, Hakki Z, Robinson RC, Hrmova M, Rovira C, Williams SJ, Ketudat Cairns JR

Function and Biology Details

Reaction catalysed:
Hydrolysis of terminal, non-reducing beta-D-mannose residues in beta-D-mannosides
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Beta-mannosidase/beta-glucosidase Chain: A
Molecule details ›
Chain: A
Length: 503 amino acids
Theoretical weight: 57.7 KDa
Source organism: Oryza sativa Indica Group
Expression system: Escherichia coli
  • Canonical: A2YPH1 (Residues: 28-510; Coverage: 100%)
Gene name: OsI_27163
Sequence domains: Glycosyl hydrolase family 1
Structure domains: Glycosidases

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRRC BEAMLINE BL13B1
Spacegroup: P212121
Unit cell:
a: 68.512Å b: 72.076Å c: 135.14Å
α: 90° β: 90° γ: 90°
R R work R free
0.171 0.168 0.21
Expression system: Escherichia coli