5-methylaminomethyl-2-thiouridine(34) in tRNA + selenophosphate + (2E)-geranyl diphosphate + H2O + H(+) <=> 5-methylaminomethyl-2-selenouridine(34) in tRNA + (2E)-thiogeraniol + phosphate + diphosphate
5-methylaminomethyl-2-thiouridine(34) in trna + selenophosphate + (2e)-geranyl diphosphate + h2o + h(+) <=> 5-methylaminomethyl-2-selenouridine(34) in trna + (2e)-thiogeraniol + phosphate + diphosphate