2.1.1.166: 23S rRNA (uridine2552-2'-O)-methyltransferase
This is an abbreviated version!
For detailed information about 23S rRNA (uridine2552-2'-O)-methyltransferase, go to the full flat file.
Reaction
Synonyms
23 S ribosomal RNA methyltransferase, 23S rRNA methyltransferase, FTSJ, FtsJ/RrmJ heat shock protein, FtsJ2, heat shock protein RrmJ, Mj0697, RlmE, RrmJ, Um(2552) 23S ribosomal RNA methyltransferase, Um2552 methyltransferase
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Reaction
Reaction on EC 2.1.1.166 - 23S rRNA (uridine2552-2'-O)-methyltransferase
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S-adenosyl-L-methionine + uridine2552 in 23S rRNA = S-adenosyl-L-homocysteine + 2'-O-methyluridine2552 in 23S rRNA
S-adenosyl-L-methionine + uridine2552 in 23S rRNA = S-adenosyl-L-homocysteine + 2'-O-methyluridine2552 in 23S rRNA
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S-adenosyl-L-methionine + uridine2552 in 23S rRNA = S-adenosyl-L-homocysteine + 2'-O-methyluridine2552 in 23S rRNA
a reaction mechanism for the methyltransfer activity of RrmJ is proposed
S-adenosyl-L-methionine + uridine2552 in 23S rRNA = S-adenosyl-L-homocysteine + 2'-O-methyluridine2552 in 23S rRNA
mechanism, based on modeling studies and the structure of the 50S ribosome, a two-step model is proposed where the A loop undocks from the tightly packed 50S ribosomal subunit, allowing RrmJ to gain access to the substrate nucleotide U2552, and where U2552 undergoes base flipping, allowing the enzyme to methylate the 2'-O position of the ribose