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OLIGO-PEPTIDE BINDING PROTEIN (OPPA) COMPLEXED WITH KEK

X-ray diffraction
1.25Å resolution
PDB entry 1jeu coloured by chain, front view.
PDB entry 1jeu coloured by chain, side view.
PDB entry 1jeu coloured by chain, top view.
Source organisms:
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Periplasmic oligopeptide-binding protein OppA and peptide
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Multimeric state: hetero dimer
Accessible surface area: 20309.28 Å2
Buried surface area: 1760.89 Å2
Dissociation area: 520.44 Å2
Dissociation energy (ΔGdiss): 0.99 kcal/mol
Dissociation entropy (TΔSdiss): 5.02 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138920

Macromolecules

Periplasmic oligopeptide-binding protein OppA
Chain: A
Length: 517 amino acids
Theoretical weight: 58.88 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
UniProt:
  • Canonical: P06202 (Residues: 27-543; Coverage: 100%)
Gene names: STM1746, oppA
Pfam: Bacterial extracellular solute-binding proteins, family 5 Middle
InterPro:
CATH:
SCOP: Phosphate binding protein-like
Periplasmic oligopeptide-binding protein OppA in PDB entry 1jeu, assembly 1, front view.
Periplasmic oligopeptide-binding protein OppA in PDB entry 1jeu, assembly 1, side view.
Periplasmic oligopeptide-binding protein OppA in PDB entry 1jeu, assembly 1, top view.
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PEPTIDE LYS GLU LYS
Chain: B
Length: 3 amino acids
Theoretical weight: 405 Da
Source organism: Unidentified
Expression system: Not provided
PEPTIDE LYS GLU LYS in PDB entry 1jeu, assembly 1, front view.
PEPTIDE LYS GLU LYS in PDB entry 1jeu, assembly 1, side view.
PEPTIDE LYS GLU LYS in PDB entry 1jeu, assembly 1, top view.
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