X-ray diffraction
2.3Å resolution

Function and Biology Details

Reaction catalysed:
UDP-alpha-D-galactose + D-glucose = UDP + lactose
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Alpha-lactalbumin Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 124 amino acids
Theoretical weight: 14.3 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
  • Canonical: P00711 (Residues: 20-142; Coverage: 100%)
Gene names: ALACTA, LALBA
Sequence domains: C-type lysozyme/alpha-lactalbumin family
Structure domains: Lysozyme

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX9.6
Spacegroup: P21
Unit cell:
a: 58.62Å b: 60.13Å c: 77.18Å
α: 90° β: 96.85° γ: 90°
R R work R free
0.208 0.208 0.303
Expression system: Escherichia coli