part of pseudouridine synthesis pseudouridylate synthase activity https://github.com/geneontology/go-ontology/issues/30193 uracil hydro-lyase (adding D-ribose 5-phosphate) Catalysis of the reaction: D-ribose 5-phosphate + uracil = H2O + pseudouridine 5'-phosphate. MetaCyc:RXN0-5398 pseudouridine monophosphate synthase activity Note that this term should not be confused with 'pseudouridine synthase activity ; GO:0009982', which refers to the intramolecular isomerization of uridine to pseudouridine. pseudouridine-5'-phosphate glycosidase activity KEGG_REACTION:R01055 uracil hydro-lyase (adding D-ribose 5-phosphate; pseudouridine-5'-phosphate-forming) pseudouridylate synthetase activity EC:4.2.1.70 pseudouridylic acid synthetase activity RHEA:18337 GO:0004730 uracil hydrolyase activity psiUMP synthetase activity pseudouridine monophosphate synthetase activity molecular_function 5-ribosyluracil 5-phosphate synthetase activity hydro-lyase activity