rRNA (uridine-N3-)-methyltransferase activity
Catalysis of the reaction: S-adenosyl-L-methionine + rRNA = S-adenosyl-L-homocysteine + rRNA containing N3-methyluridine.
GO:0008170
N-methyltransferase activity
is_a
GO:0016436
rRNA (uridine) methyltransferase activity
is_a
SPCC1919.13c