1mwu

X-ray diffraction
2.6Å resolution

Structure of methicillin acyl-Penicillin binding protein 2a from methicillin resistant Staphylococcus aureus strain 27r at 2.60 A resolution.

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
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-188072 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Penicillin-binding protein MecA Chains: A, B
Molecule details ›
Chains: A, B
Length: 646 amino acids
Theoretical weight: 73.78 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q93IC2 (Residues: 23-668; Coverage: 97%)
Gene names: NCTC13131_00319, ftsI_1, mecA
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P212121
Unit cell:
a: 80.672Å b: 103.21Å c: 186.494Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.242 0.242 0.303
Expression system: Escherichia coli