2dpu

X-ray diffraction
3.1Å resolution

Crystal structure of the replication termination protein in complex with a pseudosymmetric 21mer B-site DNA

Released:
Source organism: Bacillus subtilis
Entry authors: Vivian JP, Wilce J, Wilce MCJ

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Replication termination protein Chain: A
Molecule details ›
Chain: A
Length: 122 amino acids
Theoretical weight: 14.53 KDa
Source organism: Bacillus subtilis
Expression system: Escherichia coli
UniProt:
  • Canonical: P0CI76 (Residues: 1-122; Coverage: 100%)
Gene names: BSU18490, rtp
Sequence domains: Replication terminator protein
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
5'-D(P*AP*TP*GP*TP*TP*CP*AP*TP*AP*G)-3' Chain: D
Molecule details ›
Chain: D
Length: 10 nucleotides
Theoretical weight: 3.06 KDa
Source organism: Bacillus subtilis
Expression system: Not provided
5'-D(*CP*TP*AP*TP*GP*AP*AP*CP*AP*TP*T)-3' Chain: E
Molecule details ›
Chain: E
Length: 11 nucleotides
Theoretical weight: 3.33 KDa
Source organism: Bacillus subtilis
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P62
Unit cell:
a: 73.049Å b: 73.049Å c: 68.411Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.206 0.202 0.306
Expression systems:
  • Escherichia coli
  • Not provided