6q3r

X-ray diffraction
2.69Å resolution

ASPERGILLUS ACULEATUS GALACTANASE

Released:
Source organism: Aspergillus aculeatus
Primary publication:
Structure of Aspergillus aculeatus β-1,4-galactanase in complex with galactobiose.
Acta Crystallogr F Struct Biol Commun 75 399-404 (2019)
PMID: 31204685

Function and Biology Details

Reaction catalysed:
The enzyme specifically hydrolyzes (1->4)-beta-D-galactosidic linkages in type I arabinogalactans.
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-155820 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Arabinogalactan endo-beta-1,4-galactanase Chains: A, B
Molecule details ›
Chains: A, B
Length: 334 amino acids
Theoretical weight: 36.78 KDa
Source organism: Aspergillus aculeatus
UniProt:
  • Canonical: P48842 (Residues: 17-350; Coverage: 100%)
Gene name: gal1
Sequence domains: Glycosyl hydrolase family 53

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA
Carbohydrate polymer : NEW Components: GAL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MAX II BEAMLINE I911-2
Spacegroup: I4122
Unit cell:
a: 200.2Å b: 200.2Å c: 106.83Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.148 0.145 0.211