1gah

X-ray diffraction
2Å resolution

Function and Biology Details

Reaction catalysed:
Hydrolysis of terminal (1->4)-linked alpha-D-glucose residues successively from non-reducing ends of the chains with release of beta-D-glucose
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-550090 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (4 distinct):
Glucoamylase Chain: A
Molecule details ›
Chain: A
Length: 471 amino acids
Theoretical weight: 50.55 KDa
Source organism: Aspergillus awamori
UniProt:
  • Canonical: P69327 (Residues: 25-496; Coverage: 76%)
Gene name: GLAA
Sequence domains: Glycosyl hydrolases family 15
Structure domains: Glycosyltransferase

Ligands and Environments

Carbohydrate polymer : NEW Components: MAN, NAG, BMA
Carbohydrate polymer : NEW Components: MAN, NAG, BMA
Carbohydrate polymer : NEW Components: GLC, AC1
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SIEMENS
Spacegroup: P212121
Unit cell:
a: 116.8Å b: 104.1Å c: 48.4Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.131 0.131 0.159