ID 2.1.1.183 DE 18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase. CA adenosine(1779)/adenosine(1780) in 18S rRNA + 4 S-adenosyl-L-methionine = CA 4 H(+) + N(6)-dimethyladenosine(1779)/N(6)-dimethyladenosine(1780) in 18S CA rRNA + 4 S-adenosyl-L-homocysteine. CC -!- DIM1 is involved in pre-rRNA processing. CC -!- Formerly EC 2.1.1.48. DR Q2KHT8, DIM1_BOVIN ; Q09522, DIM1_CAEEL ; Q6FKY3, DIM1_CANGA ; DR G0SEH7, DIM1_CHATD ; Q6BSY5, DIM1_DEBHA ; Q54QK7, DIM1_DICDI ; DR Q9VAQ5, DIM1_DROME ; Q75C90, DIM1_EREGS ; Q9UNQ2, DIM1_HUMAN ; DR P78697, DIM1_KLULA ; Q95KJ0, DIM1_MACFA ; Q9D0D4, DIM1_MOUSE ; DR Q9USU2, DIM1_SCHPO ; Q6C7H6, DIM1_YARLI ; P41819, DIM1_YEAST ; //