23S rRNA (guanine(1835)-N(2))-methyltransferase activity
Catalysis of the reaction: S-adenosyl-L-methionine + guanosine(1835) in 23S rRNA = N(2)-methylguanosine(1835) in 23S rRNA + S-adenosyl-L-homocysteine.
GO:0008990
rRNA (guanine-N2-)-methyltransferase activity
is_a