› 1dpp

X-ray diffraction
3.2Å resolution

DIPEPTIDE BINDING PROTEIN COMPLEX WITH GLYCYL-L-LEUCINE

Released:
DOI: 10.2210/pdb1dpp/pdb
PDB entry 1dpp coloured by chain, front view.
PDB entry 1dpp coloured by chain, side view.
PDB entry 1dpp coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Crystal structure of the dipeptide binding protein from Escherichia coli involved in active transport and chemotaxis.
Dunten P, Mowbray SL
Protein Sci 4 2327-34 (1995)
PMID: 8563629

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-150078 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dipeptide-binding protein Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 507 amino acids
Theoretical weight: 57.48 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P23847 (Residues: 29-535; Coverage: 100%)
Gene names: JW3513, b3544, dppA
Sequence domains: Bacterial extracellular solute-binding proteins, family 5 Middle
Structure domains:

Ligands and Environments

2 bound ligands:
Ligand GLY 4 x GLY
Ligand LEU 4 x LEU
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX9.6
Spacegroup: P61
Unit cell:
a: 182.57Å b: 182.57Å c: 211.88Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.223 0.223 0.24

Quick links

Citations

7 review citations

Peptides and ATP binding cassette peptide transporters.
Detmers et al. (2001)
6 more

18 mentions without citation

Heme utilization by nontypeable Haemophilus influenzae is essential and dependent on Sap transporter function.
Mason et al. (2011)
17 more