2d45

X-ray diffraction
3.8Å resolution

Crystal structure of the MecI-mecA repressor-operator complex

Released:
Source organism: Staphylococcus aureus
Primary publication:
Structure of the MecI repressor from Staphylococcus aureus in complex with the cognate DNA operator of mec.
Acta Crystallogr Sect F Struct Biol Cryst Commun 62 320-4 (2006)
PMID: 16582476

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-115155 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Methicillin resistance regulatory protein MecI Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 123 amino acids
Theoretical weight: 15 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Canonical: P68261 (Residues: 1-123; Coverage: 100%)
Gene names: SA0040, mecI
Sequence domains: Penicillinase repressor
Structure domains:
5'-D(P*TP*AP*CP*TP*AP*CP*AP*TP*AP*TP*GP*TP*AP*GP*TP*A)-3' Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 16 nucleotides
Theoretical weight: 4.9 KDa
Source organism: Staphylococcus aureus
Expression system: Not provided

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P3212
Unit cell:
a: 61.464Å b: 61.464Å c: 419.777Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.267 0.264 0.297
Expression systems:
  • Escherichia coli
  • Not provided