› 1l7j

X-ray diffraction
1.9Å resolution

X-ray structure of galactose mutarotase from Lactococcus lactis (apo)

Released:
DOI: 10.2210/pdb1l7j/pdb
PDB entry 1l7j coloured by chain, front view.
PDB entry 1l7j coloured by chain, side view.
PDB entry 1l7j coloured by chain, top view.
Source organism: Lactococcus lactis
Primary publication:
High resolution X-ray structure of galactose mutarotase from Lactococcus lactis.
Thoden JB, Holden HM
J Biol Chem 277 20854-61 (2002)
PMID: 11907040

Function and Biology Details

Reaction catalysed: 
Alpha-D-glucose = beta-D-glucose
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-195605 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Aldose 1-epimerase Chains: A, B
Molecule details ›
Chains: A, B
Length: 347 amino acids
Theoretical weight: 38.62 KDa
Source organism: Lactococcus lactis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9ZB17 (Residues: 1-339; Coverage: 100%)
Gene name: galM
Sequence domains: Aldose 1-epimerase
Structure domains: Beta-galactosidase; Chain A, domain 5

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P212121
Unit cell:
a: 42.5Å b: 76.1Å c: 206.8Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.189 0.267
Expression system: Escherichia coli

Quick links

Citations

1 review citation

Structure and function of enzymes of the Leloir pathway for galactose metabolism.
Holden et al. (2003)
22 other articles

2 mentions without citation

Structural and functional analysis of a glycoside hydrolase family 97 enzyme from Bacteroides thetaiotaomicron.
Kitamura et al. (2008)
1 more