2y2n

X-ray diffraction
2.07Å resolution

PENICILLIN-BINDING PROTEIN 1B (PBP-1B) IN COMPLEX WITH AN ALKYL BORONATE (E07)

Released:

Function and Biology Details

Reaction catalysed:
(GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-gamma-D-Glu-L-Lys-D-Ala-D-Ala))(n)-diphosphoundecaprenol + GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-gamma-D-Glu-L-Lys-D-Ala-D-Ala)-diphosphoundecaprenol = (GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-gamma-D-Glu-L-Lys-D-Ala-D-Ala))(n+1)-diphosphoundecaprenol + undecaprenyl diphosphate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-181431 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
peptidoglycan glycosyltransferase Chain: A
Molecule details ›
Chain: A
Length: 494 amino acids
Theoretical weight: 54.1 KDa
Source organism: Streptococcus pneumoniae R6
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q7CRA4 (Residues: 321-791; Coverage: 57%)
Gene names: pbp1b, spr1909
Sequence domains: Penicillin binding protein transpeptidase domain
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: C2221
Unit cell:
a: 96.744Å b: 147.956Å c: 98.778Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.191 0.243
Expression system: Escherichia coli BL21(DE3)