PDBe 4a62

X-ray diffraction
2.2Å resolution

ParM from R1 plasmid in complex with peptide from C-terminus of ParR


Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Plasmid segregation protein ParM Chains: A, B
Molecule details ›
Chains: A, B
Length: 320 amino acids
Theoretical weight: 35.76 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21
  • Canonical: P11904 (Residues: 1-320; Coverage: 100%)
Gene names: parM, stbA
Sequence domains: StbA protein
Structure domains: Nucleotidyltransferase; domain 5
Protein StbB Chains: C, D
Molecule details ›
Chains: C, D
Length: 17 amino acids
Theoretical weight: 2.01 KDa
Source organism: Escherichia coli
Expression system: Not provided
  • Canonical: P11906 (Residues: 101-117; Coverage: 15%)
Gene name: stbB

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: R32
Unit cell:
a: 146.85Å b: 146.85Å c: 171.32Å
α: 90° β: 90° γ: 120°
R R work R free
0.204 0.201 0.269
Expression systems:
  • Escherichia coli BL21
  • Not provided