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MICHAELIS COMPLEX OF STREPTOMYCES R61 DD-PEPTIDASE WITH A SPECIFIC PEPTIDOGLYCAN SUBSTRATE FRAGMENT

X-ray diffraction
1.9Å resolution
PDB entry 1ikg coloured by chain, front view.
PDB entry 1ikg coloured by chain, side view.
PDB entry 1ikg coloured by chain, top view.
Source organism: Streptomyces sp. R61
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: D-alanyl-D-alanine carboxypeptidase
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Multimeric state: monomeric
Accessible surface area: 12504.41 Å2
Buried surface area: 802.52 Å2
Dissociation area: 401.26 Å2
Dissociation energy (ΔGdiss): -1.49 kcal/mol
Dissociation entropy (TΔSdiss): 4.92 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-147403

Macromolecules

D-alanyl-D-alanine carboxypeptidase
Chain: A
Length: 349 amino acids
Theoretical weight: 37.42 KDa
Source organism: Streptomyces sp. R61
UniProt:
  • Canonical: P15555 (Residues: 32-380; Coverage: 93%)
Pfam: Beta-lactamase
InterPro:
CATH: DD-peptidase/beta-lactamase superfamily
SCOP: beta-Lactamase/D-ala carboxypeptidase
D-alanyl-D-alanine carboxypeptidase in PDB entry 1ikg, assembly 1, front view.
D-alanyl-D-alanine carboxypeptidase in PDB entry 1ikg, assembly 1, side view.
D-alanyl-D-alanine carboxypeptidase in PDB entry 1ikg, assembly 1, top view.
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