tRNA pseudouridine13 synthase (EC 5.4.99.27, TruD, YgbO, tRNA PSI13 synthase, RNA:PSI-synthase Pus7p, Pus7p, RNA:pseudouridine-synthase Pus7p, Pus7 protein) is an enzyme with systematic name tRNA-uridine13 uracil mutase.
[1][2][3][4][5] This enzyme catalyses the following chemical reaction Pseudouridine synthase TruD from Escherichia coli specifically acts on uridine13 in tRNA.