2w9c

X-ray diffraction
2.9Å resolution

Ternary complex of Dpo4 bound to N2,N2-dimethyl-deoxyguanosine modified DNA with incoming dTTP

Released:

Function and Biology Details

Reaction catalysed:
Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
2 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (4 distinct):
DNA polymerase IV Chain: A
Molecule details ›
Chain: A
Length: 358 amino acids
Theoretical weight: 41.11 KDa
Source organism: Saccharolobus solfataricus P2
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q97W02 (Residues: 1-352; Coverage: 100%)
Gene names: SSO2448, dbh, dpo4
Sequence domains:
Structure domains:
DNA polymerase IV Chain: B
Molecule details ›
Chain: B
Length: 358 amino acids
Theoretical weight: 41.09 KDa
Source organism: Saccharolobus solfataricus P2
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q97W02 (Residues: 1-352; Coverage: 100%)
Gene names: SSO2448, dbh, dpo4
Sequence domains:
Structure domains:
5'-D(*GP*GP*GP*GP*GP*AP*AP*GP*GP*AP *TP*TP*DOCP)-3' Chains: C, D
Molecule details ›
Chains: C, D
Length: 13 nucleotides
Theoretical weight: 4.08 KDa
5'-D(*TP*CP*AP*CP*O2GP*GP*AP*AP*TP*CP*CP *TP*TP*CP*CP*CP*CP*C)-3' Chains: E, F
Molecule details ›
Chains: E, F
Length: 18 nucleotides
Theoretical weight: 5.4 KDa

Ligands and Environments

2 bound ligands:
2 modified residues:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-F
Spacegroup: P21
Unit cell:
a: 51.707Å b: 101.622Å c: 96.753Å
α: 90° β: 92.29° γ: 90°
R-values:
R R work R free
0.252 0.252 0.288
Expression system: Escherichia coli BL21(DE3)