› 4ymx

X-ray diffraction
1.48Å resolution

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

Released:
DOI: 10.2210/pdb4ymx/pdb
PDB entry 4ymx coloured by chain, front view.
PDB entry 4ymx coloured by chain, side view.
PDB entry 4ymx coloured by chain, top view.
Source organism: Caldanaerobacter subterraneus subsp. tengcongensis MB4
Primary publication:
Structural basis for substrate specificity of an amino acid ABC transporter.
Yu J, Ge J, Heuveling J, Schneider E, Yang M
Proc Natl Acad Sci U S A 112 5243-8 (2015)
PMID: 25848002

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-185955 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
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
UniProt:
  • 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:
Ligand ARG 2 x ARG
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-values:
R R work R free
0.157 0.156 0.183
Expression system: Escherichia coli

Quick links

Citations

3 review citations

Tyrosine kinase inhibitors enhanced the efficacy of conventional chemotherapeutic agent in multidrug resistant cancer cells.
Wu et al. (2018)
2 more

2 mentions without citation

Structural basis for substrate specificity of an amino acid ABC transporter.
Yu et al. (2015)
1 more