PDBe 4pbg

X-ray diffraction
2.5Å resolution



Function and Biology Details

Reaction catalysed:
A 6-phospho-beta-D-galactoside + H(2)O = 6-phospho-D-galactose + an alcohol. 
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
6-phospho-beta-galactosidase Chains: A, B
Molecule details ›
Chains: A, B
Length: 468 amino acids
Theoretical weight: 54.11 KDa
Source organism: Lactococcus lactis
Expression system: Escherichia coli
  • Canonical: P11546 (Residues: 1-468; Coverage: 100%)
Gene name: lacG
Sequence domains: Glycosyl hydrolase family 1
Structure domains: Glycosidases

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: P21212
Unit cell:
a: 104.7Å b: 174.3Å c: 60.5Å
α: 90° β: 90° γ: 90°
R R work R free
0.202 0.202 not available
Expression system: Escherichia coli