4f4z

X-ray diffraction
2.3Å resolution

Y-family DNA polymerase chimera Dpo4-Dpo4-Dbh

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-117458 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
DNA polymerase IV Chains: A, B
Molecule details ›
Chains: A, B
Length: 361 amino acids
Theoretical weight: 41.17 KDa
Source organisms: Expression system: Escherichia coli
UniProt:
  • Canonical: Q97W02 (Residues: 1-247; Coverage: 70%)
  • Canonical: Q4JB80 (Residues: 249-354; Coverage: 30%)
Gene names: SSO2448, Saci_0554, dbh, dpo4
Sequence domains:
Structure domains:
DNA (5'-D(*AP*GP*GP*GP*GP*GP*AP*AP*GP*CP*CP*G)-3') Chains: C, P
Molecule details ›
Chains: C, P
Length: 12 nucleotides
Theoretical weight: 3.78 KDa
DNA (5'-D(*TP*TP*CP*CP*GP*CP*CP*CP*GP*GP*CP*TP*TP*CP*CP*CP*CP*CP*T)-3') Chains: D, T
Molecule details ›
Chains: D, T
Length: 19 nucleotides
Theoretical weight: 5.64 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P1
Unit cell:
a: 50.966Å b: 51.196Å c: 98.842Å
α: 75.6° β: 82.97° γ: 70.14°
R-values:
R R work R free
0.188 0.185 0.26
Expression system: Escherichia coli