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Crystal structure of D-Alanine-D-Alanine Ligase from Helicobacter pylori

X-ray diffraction
2.4Å resolution
PDB entry 2pvp coloured by chain, front view.
PDB entry 2pvp coloured by chain, side view.
PDB entry 2pvp coloured by chain, top view.
Source organism: Helicobacter pylori SS1
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: D-alanine--D-alanine ligase
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Multimeric state: homo dimer
Accessible surface area: 30449.85 Å2
Buried surface area: 2912.92 Å2
Dissociation area: 1,456.46 Å2
Dissociation energy (ΔGdiss): 7.78 kcal/mol
Dissociation entropy (TΔSdiss): 14.03 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-173846

Macromolecules

D-alanine--D-alanine ligase
Chains: A, B
Length: 367 amino acids
Theoretical weight: 41.96 KDa
Source organism: Helicobacter pylori SS1
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q2N4T5 (Residues: 1-347; Coverage: 100%)
Gene name: ddl
Pfam:
InterPro:
CATH:
D-alanine--D-alanine ligase in PDB entry 2pvp, assembly 1, front view.
D-alanine--D-alanine ligase in PDB entry 2pvp, assembly 1, side view.
D-alanine--D-alanine ligase in PDB entry 2pvp, assembly 1, top view.
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