1yqr

X-ray diffraction
2.43Å resolution

Catalytically inactive human 8-oxoguanine glycosylase crosslinked to oxoG containing DNA

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-114869 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
N-glycosylase/DNA lyase Chain: A
Molecule details ›
Chain: A
Length: 319 amino acids
Theoretical weight: 35.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O15527 (Residues: 12-327; Coverage: 92%)
Gene names: MMH, MUTM, OGG1, OGH1
Sequence domains:
Structure domains:
5'-D(P*GP*GP*TP*AP*GP*AP*CP*CP*TP*GP*GP*AP*CP*G)-3' Chain: B
Molecule details ›
Chain: B
Length: 14 nucleotides
Theoretical weight: 4.35 KDa
Source organism: Homo sapiens
Expression system: Not provided
5'-D(P*CP*GP*TP*CP*CP*AP*(8OG)P*GP*TP*CP*TP*AP*CP*C)-3' Chain: C
Molecule details ›
Chain: C
Length: 14 nucleotides
Theoretical weight: 4.23 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P6522
Unit cell:
a: 92.106Å b: 92.106Å c: 211.06Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.219 0.219 0.251
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided