5-methylaminomethyl-2-(Se-phospho)selenouridine(34) in tRNA + H2O = 5-methylaminomethyl-2-selenouridine(34) in tRNA + phosphate
5-methylaminomethyl-2-(se-phospho)selenouridine(34) in trna + h2o = 5-methylaminomethyl-2-selenouridine(34) in trna + phosphate