PDBe 2g3n

X-ray diffraction
2.55Å resolution

Crystal structure of the Sulfolobus solfataricus alpha-glucosidase MalA in complex with beta-octyl-glucopyranoside


Function and Biology Details

Reaction catalysed:
Hydrolysis of terminal, non-reducing (1->4)-linked alpha-D-glucose residues with release of alpha-D-glucose
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Alpha-glucosidase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 693 amino acids
Theoretical weight: 80.58 KDa
Source organism: Sulfolobus solfataricus
Expression system: Escherichia coli
  • Canonical: P0CD66 (Residues: 5-693; Coverage: 99%)
Gene names: C23_036, SSO3051, malA
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21
Unit cell:
a: 100.09Å b: 174.43Å c: 144.03Å
α: 90° β: 109.05° γ: 90°
R R work R free
0.191 0.191 0.213
Expression system: Escherichia coli