Sergiev PV, Serebryakova MV, Bogdanov AA, Dontsova OA.
The ybiN gene of Escherichia coli encodes adenine-N6 methyltransferase specific for modification of A1618 of 23 S ribosomal RNA, a methylated residue located close to the ribosomal exit tunnel.
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[PubMed: 18021804] http://dx.doi.org/10.1016/j.jmb.2007.10.051