Description

A nucleobase analogue obtained by addition of an etheno group across positions 1 and N2 of guanine.

Chemical properties

Chemical formula Net charge Average mass
C7H5N5O 0 175.148
1,<i>N</i><sup>2</sup>-ethenoguanine

Recommended notation

Name 1,N2-ethenoguanine
Abbreviation 1,N(2)-ɛG

Nomenclature

IUPAC SMILES InChI InChIKey Synonyms
1,4-dihydro-9H-imidazo[1,2-a]purin-9-one N12C(C=3N=CNC3NC2=NC=C1)=O InChI=1S/C7H5N5O/c13-6-4-5(10-3-9-4)11-7-8-1-2-12(6)7/h1-3H,(H,8,11)(H,9,10) JAQUADIPBIOFCE-UHFFFAOYSA-N
  • 1,n(2)-ethenoguanine
  • 1,n(2)-epsilong

Nature

Origin Function Functional detail
Organisms
References
natural damage mutagenic Homo sapiens