Isoguanine
From Wikipedia, the free encyclopedia
Isoguanine | |
---|---|
IUPAC name | 6-Amino-1,7-dihydropurin-2-one |
Other names | 2-Hydroxyadenine |
Identifiers | |
CAS number | [3373-53-3] |
PubChem | |
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
- ^ 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.