1r9q

X-ray diffraction
2.05Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Glycine betaine/proline betaine-binding periplasmic protein Chain: A
Molecule details ›
Chain: A
Length: 309 amino acids
Theoretical weight: 33.76 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AFM2 (Residues: 22-330; Coverage: 100%)
Gene names: JW2654, b2679, proU, proX
Sequence domains: Substrate binding domain of ABC-type glycine betaine transport system
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 47.71Å b: 54.98Å c: 115.73Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.172 0.172 0.213
Expression system: Escherichia coli