› 7nrr

X-ray diffraction
1.67Å resolution

The structure of the SBP TarP_Csal in complex with caffeate

Released:
DOI: 10.2210/pdb7nrr/pdb
PDB entry 7nrr coloured by chain, front view.
PDB entry 7nrr coloured by chain, side view.
PDB entry 7nrr coloured by chain, top view.
Source organism: Chromohalobacter salexigens DSM 3043
Primary publication:
The structural basis for high-affinity uptake of lignin-derived aromatic compounds by proteobacterial TRAP transporters.
Bisson C, Salmon RC, West L, Rafferty JB, Hitchcock A, Thomas GH, Kelly DJ
FEBS J 289 436-456 (2022)
PMID: 34375507

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-557423 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
TRAP dicarboxylate transporter-DctP subunit Chains: AAA, BBB
Molecule details ›
Chains: AAA, BBB
Length: 334 amino acids
Theoretical weight: 37.69 KDa
Source organism: Chromohalobacter salexigens DSM 3043
Expression system: Escherichia coli
UniProt:
  • Canonical: Q1R0W5 (Residues: 32-354; Coverage: 100%)
Gene name: Csal_0280
Sequence domains: Bacterial extracellular solute-binding protein, family 7

Ligands and Environments

2 bound ligands:
Ligand MG 3 x MG
Ligand DHC 2 x DHC
1 modified residue:
Ligand MSE 22 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: P21212
Unit cell:
a: 81.73Å b: 119.54Å c: 61.94Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.209 0.206 0.265
Expression system: Escherichia coli

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