4bf7

X-ray diffraction
2Å resolution

Emericilla nidulans endo-beta-1,4-galactanase

Released:
Source organism: Aspergillus nidulans FGSC A4
Primary publication:
The binding of zinc ions to Emericella nidulans endo-β-1,4-galactanase is essential for crystal formation.
Acta Crystallogr Sect F Struct Biol Cryst Commun 69 850-4 (2013)
PMID: 23908026

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-176889 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Arabinogalactan endo-beta-1,4-galactanase A Chain: A
Molecule details ›
Chain: A
Length: 352 amino acids
Theoretical weight: 38.74 KDa
Source organism: Aspergillus nidulans FGSC A4
Expression system: Komagataella pastoris
UniProt:
  • Canonical: Q5B153 (Residues: 1-350; Coverage: 100%)
Gene names: AN5727, galA
Sequence domains: Glycosyl hydrolase family 53
Structure domains: Glycosidases

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P212121
Unit cell:
a: 62.9Å b: 72.37Å c: 98.38Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.159 0.158 0.192
Expression system: Komagataella pastoris