X-ray diffraction
1.8Å resolution

RB69 DNA Polymerase (L561A/S565G/Y567A) Ternary Complex with dTTP Opposite Difluorotoluene Nucleoside


Function and Biology Details

Reaction catalysed:
Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1)
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
DNA-directed DNA polymerase Chain: A
Molecule details ›
Chain: A
Length: 903 amino acids
Theoretical weight: 104.49 KDa
Source organism: Enterobacteria phage RB69
Expression system: Escherichia coli BL21
  • Canonical: Q38087 (Residues: 1-903; Coverage: 100%)
Gene name: 43
Sequence domains:
Structure domains:
Molecule details ›
Chain: T
Length: 18 nucleotides
Theoretical weight: 5.53 KDa
Source organism: synthetic construct
Expression system: Not provided
DNA (5'-D(*GP*CP*GP*GP*AP*CP*TP*GP*CP*TP*TP*AP*(DOC))-3') Chain: P
Molecule details ›
Chain: P
Length: 13 nucleotides
Theoretical weight: 3.95 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P212121
Unit cell:
a: 75.133Å b: 119.774Å c: 130.481Å
α: 90° β: 90° γ: 90°
R R work R free
0.169 0.167 0.204
Expression systems:
  • Escherichia coli BL21
  • Not provided