The function of Ensembl gene identifier ENSG00000169764 (UGP2, UDP-glucose pyrophosphorylase 2) is as follows. UTP--glucose-1-phosphate uridylyltransferase catalyzing the conversion of glucose-1-phosphate into UDP-glucose, a crucial precursor for the production of glycogen. {ECO:0000269|PubMed:31820119, ECO:0000269|PubMed:8354390, ECO:0000269|PubMed:8631325}.