ID 2.1.1.187 DE 23S rRNA (guanine(745)-N(1))-methyltransferase. AN 23S rRNA m(1)G(745) methyltransferase. AN ribosomal RNA(m(1)G)-methylase. CA guanosine(745) in 23S rRNA + S-adenosyl-L-methionine = H(+) + N(1)- CA methylguanosine(745) in 23S rRNA + S-adenosyl-L-homocysteine. CC -!- The enzyme specifically methylates guanine(745) at N(1) in 23S rRNA. CC -!- Formerly EC 2.1.1.51. DR P36999, RLMA_ECOLI ; //