› 1pw8

X-ray diffraction
1.3Å resolution

Covalent Acyl Enzyme Complex Of The R61 DD-Peptidase with A Highly Specific Cephalosporin

Released:
DOI: 10.2210/pdb1pw8/pdb
PDB entry 1pw8 coloured by chain, front view.
PDB entry 1pw8 coloured by chain, side view.
PDB entry 1pw8 coloured by chain, top view.
Source organism: Streptomyces sp. R61
Primary publication:
Crystal structures of complexes between the R61 DD-peptidase and peptidoglycan-mimetic beta-lactams: a non-covalent complex with a "perfect penicillin".
Silvaggi NR, Josephine HR, Kuzin AP, Nagarajan R, Pratt RF, Kelly JA
J Mol Biol 345 521-33 (2005)
PMID: 15581896

Function and Biology Details

Reaction catalysed: 
Preferential cleavage: (Ac)(2)-L-Lys-D-Ala-|-D-Ala. Also transpeptidation of peptidyl-alanyl moieties that are N-acyl substituents of D-alanine.
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-147403 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
D-alanyl-D-alanine carboxypeptidase Chain: A
Molecule details ›
Chain: A
Length: 349 amino acids
Theoretical weight: 37.42 KDa
Source organism: Streptomyces sp. R61
UniProt:
  • Canonical: P15555 (Residues: 32-380; Coverage: 93%)
Sequence domains: Beta-lactamase
Structure domains: DD-peptidase/beta-lactamase superfamily

Ligands and Environments

2 bound ligands:
Ligand H2A 1 x H2A
Ligand GOL 2 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P212121
Unit cell:
a: 50.8Å b: 66.6Å c: 98.7Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.109 0.108 0.15

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Citations

5 review citations

The penicillin-binding proteins: structure and role in peptidoglycan biosynthesis.
Sauvage et al. (2008)
4 more

3 mentions without citation

Pyridine Compounds with Antimicrobial and Antiviral Activities.
Marinescu et al. (2022)
2 more