3l8b

X-ray diffraction
2.15Å resolution

Crystal structure of a replicative DNA polymerase bound to the oxidized guanine lesion guanidinohydantoin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-116523 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
DNA-directed DNA polymerase Chains: A, B
Molecule details ›
Chains: A, B
Length: 906 amino acids
Theoretical weight: 105.07 KDa
Source organism: Escherichia phage RB69
Expression system: Escherichia coli
UniProt:
  • Canonical: Q38087 (Residues: 1-903; Coverage: 100%)
Gene name: 43
Sequence domains:
Structure domains:
DNA (5'-D(*AP*C*TP*(G35)P*TP*TP*AP*AP*GP*CP*AP*GP*TP*CP*CP*GP*CP*G)-3') Chains: C, E
Molecule details ›
Chains: C, E
Length: 18 nucleotides
Theoretical weight: 5.52 KDa
Source organism: Escherichia phage RB69
Expression system: Not provided
DNA (5'-D(*GP*CP*GP*GP*AP*CP*TP*GP*CP*TP*TP*AP*A)-3') Chains: D, F
Molecule details ›
Chains: D, F
Length: 13 nucleotides
Theoretical weight: 3.99 KDa
Source organism: Escherichia phage RB69
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P21
Unit cell:
a: 78.276Å b: 120.246Å c: 136.963Å
α: 90° β: 95.96° γ: 90°
R-values:
R R work R free
0.219 0.219 0.254
Expression systems:
  • Escherichia coli
  • Not provided