1xrx

X-ray diffraction
2.15Å resolution

Crystal structure of a DNA-binding protein

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo octamer
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Negative modulator of initiation of replication Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 50 amino acids
Theoretical weight: 5.7 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AFY8 (Residues: 1-50; Coverage: 28%)
Gene names: JW0674, b0687, seqA
Sequence domains: SeqA protein N-terminal domain

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X9B, RIGAKU RU200
Spacegroup: P3121
Unit cell:
a: 112.179Å b: 112.179Å c: 62.021Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.223 0.222 0.237
Expression system: Escherichia coli