Enables UTP:glucose-1-phosphate uridylyltransferase activity; glucose binding activity; and pyrimidine ribonucleotide binding activity. Involved in UDP-glucose metabolic process and glucose 1-phosphate metabolic process. Located in cytoplasm. Human ortholog(s) of this gene implicated in developmental and epileptic encephalopathy 83. Orthologous to human UGP2 (UDP-glucose pyrophosphorylase 2). [provided by Alliance of Genome Resources, Apr 2022]