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Restriction and modification in Bacillus subtilis. Localization of the methylated nucleotide in the BsuRI recognition
European Journal of Biochemistry
|October 16, 1978
Abstract:
Calf thymus DNA was methylated in vitro with cell extracts of Bacillus subtilis OG3R (r+m+) and S-adenosyl[Me-3H]methionine. After depurination of the [3H]methylated DNA, the analysis of the pyrimidine dinucleotides revealed the following positions of the methylated nucleosides (indicated by an asterisk) within the BsuRI recognition sequence: 5' dG--dG--dC--dC dC--dC--dG--dG 5'.