Probable tRNA pseudouridine synthase 1 (Trub1)

Pseudouridine synthase which catalyzes pseudouridylation of mRNAs. Mediates pseudouridylation of mRNAs with the consensus sequence 5'-GUUCNANNC-3', harboring a stem-loop structure.

Constitutes the major pseudouridine synthase acting on mRNAs. .