The Enzyme Database

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EC 2.1.1.198     
Accepted name: 16S rRNA (cytidine1402-2′-O)-methyltransferase
Reaction: S-adenosyl-L-methionine + cytidine1402 in 16S rRNA = S-adenosyl-L-homocysteine + 2′-O-methylcytidine1402 in 16S rRNA
Other name(s): RsmI; YraL
Systematic name: S-adenosyl-L-methionine:16S rRNA (cytidine1402-2′-O)-methyltransferase
Comments: RsmI catalyses the 2′-O-methylation of cytidine1402 and RsmH (EC 2.1.1.199) catalyses the N4-methylation of cytidine1402 in 16S rRNA. Both methylations are necessary for efficient translation initiation at the UUG and GUG codons.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Kimura, S. and Suzuki, T. Fine-tuning of the ribosomal decoding center by conserved methyl-modifications in the Escherichia coli 16S rRNA. Nucleic Acids Res. 38 (2010) 1341–1352. [PMID: 19965768]
[EC 2.1.1.198 created 2010]
 
 


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