
Measurement of O6-alkylguanine-DNA alkyltransferase activity in tumour cells using stable isotope dilution HPLC-ESIâ¿¿MS/MS
Keywords: AGT; O6-alkylguanine-DNA alkyltransferase; HPLC-ESIâ¿¿MS/MS; high-performance liquid chromatography electrospray ionization tandem mass spectrometry; O6-BG; O6-benzylguanine; Cys145; Cysteine 145; O6-MG; O6-methylguanine; [3H]MNU; N-[3H]-methyl-N-nitrosou