› 1gcg

X-ray diffraction
1.9Å resolution

THE 1.9 ANGSTROMS X-RAY STRUCTURE OF A CLOSED UNLIGANDED FORM OF THE PERIPLASMIC GLUCOSE(SLASH)GALACTOSE RECEPTOR FROM SALMONELLA TYPHIMURIUM

Released:
DOI: 10.2210/pdb1gcg/pdb
PDB entry 1gcg coloured by chain, front view.
PDB entry 1gcg coloured by chain, side view.
PDB entry 1gcg coloured by chain, top view.
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Primary publication:
The 1.9 A x-ray structure of a closed unliganded form of the periplasmic glucose/galactose receptor from Salmonella typhimurium.
Flocco MM, Mowbray SL
J Biol Chem 269 8931-6 (1994)
PMID: 8132630

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-150107 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
D-galactose/methyl-galactoside binding periplasmic protein MglB Chain: A
Molecule details ›
Chain: A
Length: 309 amino acids
Theoretical weight: 33.46 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Not provided
UniProt:
  • Canonical: P23905 (Residues: 24-332; Coverage: 100%)
Gene names: STM2190, mglB
Sequence domains: Periplasmic binding protein domain
Structure domains: Rossmann fold

Ligands and Environments

1 bound ligand:
Ligand CA 1 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: C2
Unit cell:
a: 120.14Å b: 37.02Å c: 80.63Å
α: 90° β: 123.9° γ: 90°
R-values:
R R work R free
0.179 0.179 not available
Expression system: Not provided

Quick links

Citations

10 review citations

Structure, function, and evolution of bacterial ATP-binding cassette systems.
Davidson et al. (2008)
9 more

9 mentions without citation

LIGSITEcsc: predicting ligand binding sites using the Connolly surface and degree of conservation.
Huang et al. (2006)
8 more