1p4d

X-ray diffraction
2.6Å resolution

F factor TraI Relaxase Domain

Released:
Source organism: Escherichia coli

Function and Biology Details

Reactions catalysed:
ATP + H(2)O = ADP + phosphate
ATP-independent breakage of single-stranded DNA, followed by passage and rejoining
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-146967 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Multifunctional conjugation protein TraI Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 330 amino acids
Theoretical weight: 36.34 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P14565 (Residues: 1-330; Coverage: 19%)
Gene names: ECOK12F104, traI
Sequence domains: TrwC relaxase
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE F2
Spacegroup: P3121
Unit cell:
a: 128.219Å b: 128.219Å c: 121.184Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.238 0.233 0.278
Expression system: Escherichia coli BL21(DE3)