1emv

X-ray diffraction
1.7Å resolution

CRYSTAL STRUCTURE OF COLICIN E9 DNASE DOMAIN WITH ITS COGNATE IMMUNITY PROTEIN IM9 (1.7 ANGSTROMS)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-140796 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Colicin-E9 immunity protein Chain: A
Molecule details ›
Chain: A
Length: 86 amino acids
Theoretical weight: 9.59 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P13479 (Residues: 1-86; Coverage: 100%)
Gene names: ceiE9, imm
Sequence domains: Colicin immunity protein / pyocin immunity protein
Structure domains: Colicin E immunity protein
Colicin-E9 Chain: B
Molecule details ›
Chain: B
Length: 134 amino acids
Theoretical weight: 15.12 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P09883 (Residues: 450-582; Coverage: 23%)
Gene names: cei, col
Sequence domains: Colicin/Pyocin-S2, DNase domain
Structure domains: Colicin/pyocin, DNase domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX9.6
Spacegroup: P212121
Unit cell:
a: 43.87Å b: 52.56Å c: 87.77Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.219 0.219 0.26
Expression system: Escherichia coli