tRNA 2-selenouridine synthase activity
Catalysis of the reaction: 5-methylaminomethyl-2-thiouridine + selenophosphate = 5-methylaminomethyl-2-selenouridine + phosphate (at the wobble position in tRNA).
GO:0016785
selenotransferase activity
is_a
GO:0140101
catalytic activity, acting on a tRNA
is_a