› 1a87

X-ray diffraction
3.1Å resolution

COLICIN N

Released:
DOI: 10.2210/pdb1a87/pdb
PDB entry 1a87 coloured by chain, front view.
PDB entry 1a87 coloured by chain, side view.
PDB entry 1a87 coloured by chain, top view.
Source organism: Escherichia coli K-12
Primary publication:
Crystal structure of a colicin N fragment suggests a model for toxicity.
Vetter IR, Parker MW, Tucker AD, Lakey JH, Pattus F, Tsernoglou D
Structure 6 863-74 (1998)
PMID: 9687368

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139917 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Colicin-N Chain: A
Molecule details ›
Chain: A
Length: 321 amino acids
Theoretical weight: 35.15 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P08083 (Residues: 67-387; Coverage: 83%)
Gene name: cna
Sequence domains: Colicin pore forming domain
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X31
Spacegroup: I4132
Unit cell:
a: 187.3Å b: 187.3Å c: 187.3Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.173 0.173 0.31
Expression system: Escherichia coli

Quick links

Citations

20 review citations

Pore-forming protein toxins: from structure to function.
Parker et al. (2005)
19 more

14 mentions without citation

Colicin biology.
Cascales et al. (2007)
13 more