7-甲基鸟嘌呤(7-MeG)是甲基鸟嘌呤的同分异构体之一,化学式为C6H7N5O,其核苷称为7-甲基鸟苷,游离的7-甲基鸟嘌呤不参与核苷酸的合成,也不会直接掺入核酸中[1][2]。
参考文献
- ^ Craddock, VM; Mattocks, AR; Magee, PN. The fate of 7[14C]-methylguanine after administration to the rat. Biochem. J. 1968, 109 (1): 75–78. PMC 1186754 . PMID 5669851. doi:10.1042/bj1090075.
- ^ Kaina, B; Heindorff, K; Aurich, O. O6-methylguanine, but not N7-methylguanine or N3-methyladenine, induces gene mutations, sister-chromatid exchanges and chromosomal aberrations in Chinese hamster cells. Mutat. Res. 1983, 108 (1–3): 279–292. PMID 6835224. doi:10.1016/0027-5107(83)90126-4.