3i0w

X-ray diffraction
1.73Å resolution

Crystal structure of Clostridium acetobutylicum 8-oxoguanine glycosylase/lyase in complex with dsDNA containing cytosine opposite to 8-oxoG

Released:

Function and Biology Details

Reaction catalysed:
The C-O-P bond 3' to the apurinic or apyrimidinic site in DNA is broken by a beta-elimination reaction, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'-phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-116387 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
DNA-(apurinic or apyrimidinic site) lyase Chain: A
Molecule details ›
Chain: A
Length: 290 amino acids
Theoretical weight: 34.22 KDa
Source organism: Clostridium acetobutylicum
Expression system: Escherichia coli
UniProt:
  • Canonical: Q97FM4 (Residues: 1-290; Coverage: 99%)
Gene name: CA_C2707
Sequence domains:
Structure domains:
5'-D(*AP*TP*CP*CP*AP*(8OG)P*GP*TP*CP*TP*AP*CP*C)-3' Chain: B
Molecule details ›
Chain: B
Length: 13 nucleotides
Theoretical weight: 3.93 KDa
Source organism: Clostridium acetobutylicum
Expression system: Not provided
5'-D(*GP*GP*TP*AP*GP*AP*CP*CP*TP*GP*GP*A)-3' Chain: C
Molecule details ›
Chain: C
Length: 12 nucleotides
Theoretical weight: 3.73 KDa
Source organism: Clostridium acetobutylicum
Expression system: Not provided

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P6522
Unit cell:
a: 92.4Å b: 92.4Å c: 191.05Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.195 0.195 0.219
Expression systems:
  • Escherichia coli
  • Not provided