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Crystal structure of E. coli LptB in complex with ADP-magnesium

X-ray diffraction
1.55Å resolution
PDB entry 4p32 coloured by chain, front view.
PDB entry 4p32 coloured by chain, side view.
PDB entry 4p32 coloured by chain, top view.
Source organism: Escherichia coli K-12
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Lipopolysaccharide export system ATP-binding protein LptB
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Multimeric state: monomeric
Accessible surface area: 11054.71 Å2
Buried surface area: 721.74 Å2
Dissociation area: 74.6 Å2
Dissociation energy (ΔGdiss): 12.49 kcal/mol
Dissociation entropy (TΔSdiss): -1.46 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-141929
Assembly 2
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Assembly Name: Lipopolysaccharide export system ATP-binding protein LptB
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Multimeric state: monomeric
Accessible surface area: 10978.56 Å2
Buried surface area: 717.39 Å2
Dissociation area: 75.29 Å2
Dissociation energy (ΔGdiss): 12.78 kcal/mol
Dissociation entropy (TΔSdiss): -1.46 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-141929

Macromolecules

Lipopolysaccharide export system ATP-binding protein LptB
Chains: A, B
Length: 249 amino acids
Theoretical weight: 27.94 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0A9V1 (Residues: 2-241; Coverage: 100%)
Gene names: JW3168, b3201, lptB, yhbG
Pfam:
InterPro:
CATH: P-loop containing nucleotide triphosphate hydrolases
Lipopolysaccharide export system ATP-binding protein LptB in PDB entry 4p32, assembly 1, front view.
Lipopolysaccharide export system ATP-binding protein LptB in PDB entry 4p32, assembly 1, side view.
Lipopolysaccharide export system ATP-binding protein LptB in PDB entry 4p32, assembly 1, top view.
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