18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase

Template:Short description Template:Infobox enzyme 18S rRNA (adenine¹⁷⁷⁹-N⁶/adenine¹⁷⁸⁰-N⁶)-dimethyltransferase (Template:EC number, 18S rRNA dimethylase Dim1p, Dim1p, ScDim1, m2(6)A dimethylase, KIDIM1) is an enzyme with systematic name S-adenosyl-L-methionine:18S rRNA (adenine¹⁷⁷⁹-N⁶/adenine¹⁷⁸⁰-N6)-dimethyltransferase. This enzyme catalyses the following chemical reaction

4 S-adenosyl-L-methionine + adenine¹⁷⁷⁹/adenine¹⁷⁸⁰ in 18S rRNA $\rightleftharpoons$ 4 S-adenosyl-L-homocysteine + N⁶-dimethyladenine¹⁷⁷⁹/N⁶-dimethyladenine¹⁷⁸⁰ in 18S rRNA

DIM1 is involved in pre-rRNA processing.

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