2.1.1.227 additional information the TlyAII modifies C1409 in Escherichia coli 30S subunits, and activity at this site on 16S rRNA and 70S ribosomes is negligible Mycolicibacterium smegmatis ? - ? 89 2.1.1.227 additional information the 2'-O-methyltransferase TlyA from Mycobacterium tuberculosis methylates both nucleotide C1409 of 16S rRNA and C1920 of 23S rRNA, EC 2.1.1.226 Mycobacterium tuberculosis ? - ? 89 2.1.1.227 additional information the recombinant enzyme poorly modifies the nucleotide C1409 in vitro in all Escherichia coli ribosomal substrates evaluated: 16S rRNA, 30S ribosomal subunits, and 70S ribosomes Mycobacterium tuberculosis ? - ? 89 2.1.1.227 additional information the bifunctional enzyme exhibits the activities of EC 2.1.1.226 and EC 2.1.1.227 Mycobacterium tuberculosis ? - - 89 2.1.1.227 additional information the bifunctional enzyme exhibits the activities of EC 2.1.1.226 and EC 2.1.1.227 Mycobacterium tuberculosis H37Rv ? - - 89 2.1.1.227 additional information the 2'-O-methyltransferase TlyA from Mycobacterium tuberculosis methylates both nucleotide C1409 of 16S rRNA and C1920 of 23S rRNA, EC 2.1.1.226 Mycobacterium tuberculosis H37Rv ? - ? 89 2.1.1.227 additional information the recombinant enzyme poorly modifies the nucleotide C1409 in vitro in all Escherichia coli ribosomal substrates evaluated: 16S rRNA, 30S ribosomal subunits, and 70S ribosomes Mycobacterium tuberculosis H37Rv ? - ? 89 2.1.1.227 additional information the TlyAII modifies C1409 in Escherichia coli 30S subunits, and activity at this site on 16S rRNA and 70S ribosomes is negligible Mycolicibacterium smegmatis mc(2)155 ? - ? 89 2.1.1.227 S-adenosyl-L-methionine + cytidine1409 in 16S rRNA - Geobacillus stearothermophilus S-adenosyl-L-homocysteine + 2'-O-methylcytidine1409 in 16S rRNA - ? 413583 2.1.1.227 S-adenosyl-L-methionine + cytidine1409 in 16S rRNA - Mycobacterium tuberculosis S-adenosyl-L-homocysteine + 2'-O-methylcytidine1409 in 16S rRNA - ? 413583 2.1.1.227 S-adenosyl-L-methionine + cytidine1409 in 16S rRNA - Streptomyces coelicolor S-adenosyl-L-homocysteine + 2'-O-methylcytidine1409 in 16S rRNA - ? 413583 2.1.1.227 S-adenosyl-L-methionine + cytidine1409 in 16S rRNA the bifunctional enzyme modifies nucleotide C1409 in helix 44 of 16S rRNA and nucleotide C1920 in helix 69 of 23S rRNA Mycobacterium tuberculosis S-adenosyl-L-homocysteine + 2'-O-methylcytidine1409 in 16S rRNA the exact position of the methyl group in the wild-type rRNAs is verified by MALDI quadrupole-TOF tandem MS analysis ? 413583 2.1.1.227 S-adenosyl-L-methionine + cytidine1409 in 16S rRNA - Mycobacterium tuberculosis H37Rv S-adenosyl-L-homocysteine + 2'-O-methylcytidine1409 in 16S rRNA - ? 413583 2.1.1.227 S-adenosyl-L-methionine + cytidine1409 in 30S rRNA - Mycolicibacterium smegmatis S-adenosyl-L-homocysteine + 2'-O-methylcytidine1409 in 30S rRNA - ? 421370 2.1.1.227 S-adenosyl-L-methionine + cytidine1409 in 30S rRNA - Mycolicibacterium smegmatis mc(2)155 S-adenosyl-L-homocysteine + 2'-O-methylcytidine1409 in 30S rRNA - ? 421370