Methylated-DNA | protein-cysteine methyltransferase, 6-O-methylguanine-DNA methyltransferase, O-6-methylguanine-DNA-alkyltransferase, 6 O methylguanine DNA methyltransferase; Methylated DNA protein cysteine methyltransferase; O 6 methylguanine DNA alkyltransferase; O 6 methylguanine DNA methyltransferase