label: N(6)-dimethylallyladenine + S-adenosyl-L-methionine <=> discadenine + S-methyl-5'-thioadenosine + H(+)
label_lc: n(6)-dimethylallyladenine + s-adenosyl-l-methionine <=> discadenine + s-methyl-5'-thioadenosine + h(+)