label: 2-methylsulfanyl-N(6)-(Delta(2)-isopentenyl)adenosine in tRNA + NADPH + O2 + H(+) => 2-methylsulfanyl-N(6)-(cis-4-hydroxy-Delta(2)-isopentenyl)adenosine in tRNA + NADP(+) + H2O
label_lc: 2-methylsulfanyl-n(6)-(delta(2)-isopentenyl)adenosine in trna + nadph + o2 + h(+) => 2-methylsulfanyl-n(6)-(cis-4-hydroxy-delta(2)-isopentenyl)adenosine in trna + nadp(+) + h2o