2.7.7.44 UDP-D-glucuronic acid pyrophosphorylase, UDP-Glc PPase, UDP-glucuronate pyrophosphorylase, UDP-glucuronic acid pyrophosphorylase, UDP-sugar pyrophosphorylase, UDP-sugar pyrophosphorylase gene (USP1), uridine diphosphoglucuronic pyrophosphorylase, uridylyltransferase, glucuronate 1-phosphate, USP - -, 670505, 760379