2q7u

X-ray diffraction
3Å resolution

Crystal Structure of the F plasmid TraI Relaxase Domain with the Scissile Thymidine Base and Imidodiphosphate

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
Molecule details ›
Chains: A, B
Length: 301 amino acids
Theoretical weight: 33.35 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P14565 (Residues: 1-300; Coverage: 17%)
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

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P212121
Unit cell:
a: 44.5Å b: 86.31Å c: 127.91Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.215 0.214 0.312
Expression system: Escherichia coli BL21(DE3)