1fa2

X-ray diffraction
2.3Å resolution

CRYSTAL STRUCTURE OF BETA-AMYLASE FROM SWEET POTATO

Released:

Function and Biology Details

Reaction catalysed:
Hydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides so as to remove successive maltose units from the non-reducing ends of the chains
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-amylase Chain: A
Molecule details ›
Chain: A
Length: 498 amino acids
Theoretical weight: 56.04 KDa
Source organism: Ipomoea batatas
UniProt:
  • Canonical: P10537 (Residues: 2-499; Coverage: 100%)
Gene names: AMYB, BMY1
Sequence domains: Glycosyl hydrolase family 14
Structure domains: Glycosidases

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: P42212
Unit cell:
a: 129.63Å b: 129.63Å c: 68.42Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.213 0.213 0.281