tRNA (guanine(26)-N2/guanine(27)-N2)-dimethyltransferase activity
Catalysis of the reaction: guanosine(26)/guanosine(27) in tRNA + 4 S-adenosyl-L-methionine = 4 H+ + N(2)-dimethylguanosine(26)/N(2)-dimethylguanosine(27) in tRNA + 4 S-adenosyl-L-homocysteine.
GO:0008170
N-methyltransferase activity
is_a
GO:0016423
tRNA (guanine) methyltransferase activity
is_a
tRNA (guanine(26)-N(2)/guanine(27)-N(2))-dimethyltransferase activity
exact
tRNA (guanosine(26)-N(2)/guanosine(27)-N(2))-dimethyltransferase activity
exact