PDBe 1v74

X-ray diffraction
2Å resolution

ribonuclease-inhibitor complex

Released:

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):
Colicin-D Chain: A
Molecule details ›
Chain: A
Length: 107 amino acids
Theoretical weight: 12.32 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P17998 (Residues: 591-697; Coverage: 15%)
Gene name: cda
Sequence domains: Colicin D
Colicin-D immunity protein Chain: B
Molecule details ›
Chain: B
Length: 87 amino acids
Theoretical weight: 10.07 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P11899 (Residues: 1-87; Coverage: 100%)
Gene name: cdi
Sequence domains: Bacterial self-protective colicin-like immunity
Structure domains: Colicin D immunity protein

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM30A
Spacegroup: P41212
Unit cell:
a: 62.057Å b: 62.057Å c: 147.934Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.194 0.194 0.234
Expression systems:
  • Escherichia coli K-12
  • Escherichia coli