Table I.

Name and abbreviation of common oxidatively damaged nucleobases of DNA.

Name	Abbreviation	Structure (see Figure)
8-Oxo-7,8-dihydroguanine	8-oxoGua	1
2,6-Diamino-4-hydroxy-5- formamidopyrimidine	FapyGua	1
8-Oxo-7,8-dihydroadenine	8-oxoAde	1
4,6-Diamino-5- formamidopyrimidine	FapyAde	1
2,2,4-Triamino-5(2H)oxazolone	Oz	1
5,6-Dihydroxy-5,6-dihydrothymine	Thy-Gly	2
5-(Hydroxymethyl)uracil	5-HmUra	2
5-Formyluracil	5-ForUra	2
5-Hydroxycytosine	5-OHCyt	2
5-(Hydroxymethyl)cytosine	5-HmCyt	3
5-Formylcytosine	5-ForCyt	3
5-Carboxylcytosine	5-CaCyt	3
5-Chlorocytosine	5-ClCyt	4
5-Chloroadenine	5-ClAde	4
5-Chloroguanine	5-ClGua	4
(5′R)-5′,8-Cyclo-2′-deoxyadenosine	(5′R)-cdAdo	6