Predicted to enable several functions, including ATPase inhibitor activity; orotate phosphoribosyltransferase activity; and orotidine-5'-phosphate decarboxylase activity. Predicted to be involved in 'de novo' UMP biosynthetic process; 'de novo' pyrimidine nucleobase biosynthetic process; and negative regulation of ATP-dependent activity. Predicted to be located in mitochondrion. Is an ortholog of C. elegans
umps-1. In C. elegans,
umps-1 is involved in several processes, including determination of adult lifespan; pyrimidine-containing compound biosynthetic process; and response to radiation.