PDBe 3vx1

X-ray diffraction
2.2Å resolution

Crystal Structure of alpha-Amylase from Aspergillus oryzae

Source organism: Aspergillus oryzae RIB40
Entry author: Sugahara M

Function and Biology Details

Reaction catalysed:
Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more (1->4)-alpha-linked D-glucose units. 
Biochemical function:
Biological process:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Alpha-amylase A type-1/2 Chain: A
Molecule details ›
Chain: A
Length: 478 amino acids
Theoretical weight: 52.53 KDa
Source organism: Aspergillus oryzae RIB40
  • Canonical: P0C1B3 (Residues: 22-499; Coverage: 100%)
Gene names: AO090023000944, AO090120000196, Taa-G1, Taa-G2, amy1, amy2, amyI, amyII
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P212121
Unit cell:
a: 50.368Å b: 66.678Å c: 131.551Å
α: 90° β: 90° γ: 90°
R R work R free
0.208 0.208 0.247