Isoguanine

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Isoguanine
IUPAC name 6-Amino-1,7-dihydropurin-2-one
Other names 2-Hydroxyadenine
Identifiers
CAS number [3373-53-3]
PubChem 76900
SMILES C1=NC2=NC(=O)NC(=C2N1)N
Properties
Molecular formula C5H5N5O
Molar mass 151.1261
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Isoguanine or 2-hydroxyladenine is a purine base that is an isomer of guanine. It is a product of oxidative damage to DNA and has been shown to cause mutation.[1] It is also used in combination with isocytosine in studies of unnatural nucleic acid analogues of the normal base pairs in DNA.

[edit] References

  1. ^ Yang XL, Sugiyama H, Ikeda S, Saito I, Wang AH (1998). "Structural studies of a stable parallel-stranded DNA duplex incorporating isoguanine:cytosine and isocytosine:guanine basepairs by nuclear magnetic resonance spectroscopy". Biophys. J. 75 (3): 1163–71. PMID 9726918.