23S rRNA (guanine748-N1)-methyltransferase EC#: 2.1.1.188; ChemWhat Code: 1376409

Product Name 23S rRNA (guanine748-N1)-methyltransferase
Example Structure Example Structure of 23S rRNA (guanine748-N1)-methyltransferase EC#: 2.1.1.188
Synonyms methyltransferase RlmAII, RlmA II, RlmA(II), RlmAII, rRNA large subunit methyltransferase II, TlrB, tylosin resistance methyltransferase RlmA(II), tylosin-resistance methyltransferase RlmA(II)
EC Number 2.1.1.188
CAS Registry Number
Comments The enzyme specifically methylates guanine748 at N1 in 23S rRNA. The methyltransferase RlmAII confers resistance to the macrolide antibiotic tylosin in the drug-producing strain Streptomyces fradiae [1].
Cofactor
History
Reactions S-adenosyl-L-methionine + guanine(748) in 23S rRNA = S-adenosyl-L- homocysteine + N(1)-methylguanine(748) in 23S rRNA.

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