X-ray diffraction
1.48Å resolution

Crystal structure of the substrate binding protein of an amino acid ABC transporter


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
ABC-type amino acid transport system, periplasmic component Chains: A, B
Molecule details ›
Chains: A, B
Length: 260 amino acids
Theoretical weight: 28.89 KDa
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis MB4
Expression system: Escherichia coli
  • Canonical: Q8RCC4 (Residues: 1-260; Coverage: 100%)
Gene names: ArtI, TTE0512
Sequence domains: Bacterial extracellular solute-binding proteins, family 3

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P1
Unit cell:
a: 39.026Å b: 41.409Å c: 75.604Å
α: 103.73° β: 102.74° γ: 90.12°
R R work R free
0.157 0.156 0.183
Expression system: Escherichia coli