Definition: The addition of methyl groups to the 2'-oxygen atom of nucleotide residues in an rRNA molecule during ribosome biogenesis where the methylase specifies the site that becomes methylated without using a guide RNA.
GO:0000451 - rRNA 2'-O-methylation
16S rRNA 2'-O-ribose C1402 methyltransferase (rsmI) ,
23S rRNA 2'-O-ribose C2498 methyltransferase (rlmM) ,
23S rRNA 2'-O-ribose U2552 methyltransferase (rlmE) ,
23S rRNA 2'-O-ribose G2251 methyltransferase monomer (rlmB)
Unification Links: GO:0000453
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