YIBK (gene)
There lived an enzyme, oh so grand,
Its name was quite a mouthful, you see,
tRNA (cytidine34-2'-O)-methyltransferase, let's call it TrmL, shall we?
To transform molecules in just one hour,
With S-adenosyl-L-methionine, it would begin,
To methylate cytidine34 in tRNA, oh what a spin!
TrmL would work its magic, and so much more,
Cytidine or 5-carboxymethylaminomethyluridine it would change,
To 2'-O-methylcytidine34 or 5-carboxymethylaminomethyl-2'-O-methyluridine, how strange!
In its laboratory, it would never fail,
To methylate tRNALeuCmAA and tRNALeucmnm5UmAA,
Creating a chemical reaction, oh what a display!
In the world of enzymes, it shines so bright,
With its systematic name and powers so grand,
TrmL, the mysterious enzyme of the scientific land!
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