Main Reaction: UTP + Glucose-1-phosphate >> UDP-glucose + Pyrophosphoric acid [in cytosol]

Reference: PubMed ID: 20712627
Authors: Kunz HH, Häusler RE, Fettke J, Herbst K, Niewiadomski P, Gierth M, Bell K, Steup M, Flügge UI, Schneider A
Title: The role of plastidial glucose-6-phosphate/phosphate translocators in vegetative tissues of Arabidopsis thaliana mutants impaired in starch biosynthesis.
Published: 2010 Sep

UTP + Glucose-1-phosphate --> UDP-glucose + Pyrophosphoric acid [in cytosol]