Skip to main content
. Author manuscript; available in PMC: 2008 Aug 21.
Published in final edited form as: Chem Res Toxicol. 2007 Feb;20(2):246–256. doi: 10.1021/tx060208j

Table 1.

Ion transitions for SRM of POB-DNA adducts and corresponding internal standards

Adducts Ion transitions
Parent ion ([M + 1]+, m/z) Daughter ion (m/z)
O6-POB-dGuo(10) 415.1 148.1 [POB]+
[pyridine-D4]O6-POB-dGuo 419.1 152.1 ([pyridine-D4]POB])+ and [Gua+H]+
O2-POB-dThd(11) 390.1 148.1 [POB]+
[pyridine-D4](O2-POB-dThd 394.1 152.1 ([pyridine-D4]POB])+
7-POB-Gua(14) 299.1 148.1 [POB]+
[pyridine-D4]7-POB-Gua 303.1 152.1 ([pyridine-D4]POB])+ and [Gua+H]+
O2-POB-Cyt(15) 259.1 148.1 [POB]+
[pyridine-D4]O2-POB-Cyt 263.1 152.1 ([pyridine-D4]POB])+