2r8g

X-ray diffraction
2.7Å resolution

Selectivity of Nucleoside Triphosphate Incorporation Opposite 1,N2-Propanodeoxyguanosine (PdG) by the Sulfolobus solfataricus DNA Polymerase Dpo4 Polymerase

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-115824 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
DNA polymerase IV Chain: A
Molecule details ›
Chain: A
Length: 352 amino acids
Theoretical weight: 40.26 KDa
Source organism: Saccharolobus solfataricus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q97W02 (Residues: 1-352; Coverage: 100%)
Gene names: SSO2448, dbh, dpo4
Sequence domains:
Structure domains:
5'-D(*DGP*DGP*DGP*DGP*DGP*DAP*DAP*DGP*DGP*DAP*DTP*DTP*DT)-3' Chain: P
Molecule details ›
Chain: P
Length: 13 nucleotides
Theoretical weight: 4.11 KDa
Source organism: Saccharolobus solfataricus P2
Expression system: Not provided
5'-D(*DTP*DCP*DAP*DCP*(P)P*DGP*DAP*DAP*DAP*DTP*DCP*DCP*DTP*DTP*DCP*DCP*DCP*DCP*DC)-3' Chain: T
Molecule details ›
Chain: T
Length: 19 nucleotides
Theoretical weight: 5.73 KDa
Source organism: Saccharolobus solfataricus P2
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 5ID-B
Spacegroup: P21212
Unit cell:
a: 93.5Å b: 103.3Å c: 52.8Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.208 0.208 0.258
Expression systems:
  • Escherichia coli
  • Not provided