tRNA pseudouridine38/39 synthase (, Deg1, Pus3p, pseudouridine synthase 3) is an enzyme with systematic name tRNA-uridine38/39 uracil mutase. This enzyme catalyses the following chemical reaction
tRNA uridine38/39 tRNA pseudouridine38/39
The enzyme from Saccharomyces cerevisiae is active only towards uridine38 and uridine39.
See also PUS1 Mitochondrial tRNA pseudouridine27/28 synthase
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