TRNA (guanine26-N2)-dimethyltransferase
TRNA (guanine-N)-dimethyltransferase (EC2.1.1.216, Trm1p, TRM1, tRNA (m22G26)dimethyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:tRNA (guanine-N)-dimethyltransferase. This enzyme catalyses the following chemical reaction
The enzyme dissociates from its tRNA substrate between the two consecutive methylation reactions.