2rin

X-ray diffraction
1.8Å resolution

ABC-transporter choline binding protein in complex with acetylcholine

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-187895 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
ABC-type glycine betaine transport system substrate-binding domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 298 amino acids
Theoretical weight: 32.3 KDa
Source organism: Sinorhizobium meliloti
Expression system: Escherichia coli
UniProt:
  • Canonical: Q92N37 (Residues: 28-318; Coverage: 100%)
Gene names: SMc02737, choX
Sequence domains: Substrate binding domain of ABC-type glycine betaine transport system
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE BW7A
Spacegroup: P21
Unit cell:
a: 31.2Å b: 212.7Å c: 42.8Å
α: 90° β: 90.1° γ: 90°
R-values:
R R work R free
0.154 not available 0.21
Expression system: Escherichia coli