18.77
[1]. Grasby JA, et al. The synthesis of oligoribonucleotides containing O6-methylguanosine: the role of conserved guanosine residues in hammerhead ribozyme cleavage. Nucleic Acids Res. 199 Sep 25;21(19):-50.
[2]. Thielmann HW, et al. 6-Methylguanine and 6-methylguanosine inhibit colony-forming ability in a malignant xeroderma pigmentosum cell line but not in other xeroderma pigmentosum and normal human fibroblast strains after treatment with 1-(2-chloroethyl)-1-nitroso--(2-hydroxyethyl)-urea. J Cancer Res Clin Oncol. 1987;11(1):67-72.
H02-H15-H19-H5
P261-P26-P270-P271-P280-P02+P52-P0+P0-P05+P51+P8-P0-P62+P6-P0+P2-P05-P501