PDBe 1pie

X-ray diffraction
2.1Å resolution

Crystal Structure of Lactococcus lactis Galactokinase Complexed with Galactose

Source organism: Lactococcus lactis
Primary publication:
Molecular structure of galactokinase.
J. Biol. Chem. 278 33305-11 (2003)
PMID: 12796487

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Galactokinase Chain: A
Molecule details ›
Chain: A
Length: 419 amino acids
Theoretical weight: 46.08 KDa
Source organism: Lactococcus lactis
Expression system: Escherichia coli
  • Canonical: Q9R7D7 (Residues: 1-399; Coverage: 100%)
Gene names: L0028, LL1983, galK
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: I23
Unit cell:
a: 143.4Å b: 143.4Å c: 143.4Å
α: 90° β: 90° γ: 90°
R R work R free
0.204 0.199 0.266
Expression system: Escherichia coli