X-ray diffraction
1.9Å resolution

Crystal structure of ProX from Archeoglobus fulgidus in complex with proline betaine


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
OpuAC domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 275 amino acids
Theoretical weight: 31.36 KDa
Source organism: Archaeoglobus fulgidus DSM 4304
Expression system: Escherichia coli
  • Canonical: O29280 (Residues: 18-292; Coverage: 94%)
Gene name: AF_0982
Sequence domains: Substrate binding domain of ABC-type glycine betaine transport system
Structure domains:

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P21
Unit cell:
a: 64.4Å b: 78.4Å c: 67.8Å
α: 90° β: 91.7° γ: 90°
R R work R free
0.182 0.18 0.219
Expression system: Escherichia coli