PDBe 5bca

X-ray diffraction
2.2Å resolution

BETA-AMYLASE FROM BACILLUS CEREUS VAR. MYCOIDES

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. 
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-amylase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 516 amino acids
Theoretical weight: 58.36 KDa
Source organism: Bacillus cereus
UniProt:
  • Canonical: P36924 (Residues: 31-546; Coverage: 100%)
Gene name: spoII
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: C2
Unit cell:
a: 177.9Å b: 112.9Å c: 146.2Å
α: 90° β: 105.8° γ: 90°
R-values:
R R work R free
0.186 0.186 0.24