UMP pyrophosphorylase upp UPP_STAA9 Catalyzes the conversion of uracil and 5-phospho-alpha- D-ribose 1-diphosphate (PRPP) to UMP and diphosphate (By similarity). UPRTase SaurJH9_2148 209 MSKVHVFDHPLIQHKLSYIRDVNTGTKEFRELVDEVGMLMAYEVTRDLELQDVDIETPVTKMTAKRLAGKKLAIVPILRAGLGMTDGILSLVPAARVGHIGLYRDPETLKAVEYFAKLPQDITERQIIVVDPMLATGASAIEAITSLKKRGAKNIRFMCLIAAPEGVEKMHEAHPDVDIYIAALDEKLNDKAYITPGLGDAGDRLFGTK Uracil phosphoribosyltransferase