α-D-Glucose-1-phosphate is an intermediate in glycogen metabolism.1,2 It is a precursor in the biosynthesis of UDP-glucose, the glucose donor in glycogen biosynthesis.2 α-D-Glucose-1-phosphate can be formed during glycogen breakdown via phosphorolytic cleavage of glycogen by glycogen phosphorylase.1 It can be converted to glucose-6-phosphate by phosphoglucomutase. α-D-Glucose-1-phosphate is combined with CTP by α-D-glucose-1-phosphate cytidylyltransferase to form CDP-glucose in the first step of CDP-D-tyvelose biosynthesis in S. typhi.3 Bacterial sucrose phosphorylase converts sucrose and phosphate into D-fructose and α-D-glucose-1-phosphate.4
1.Berg, J.M., Tymoczko, J.L., and Stryer, L.Glycogen breakdown requires the interplay of several enzymesBiochemistry(2002) 2.Berg, J.M., Tymoczko, J.L., and Stryer, L.Glycogen is synthesized and degraded by different pathwaysBiochemistry(2002) 3.Koropatkin, N.M., and Holden, H.M.Molecular structure of ɑ-D-glucose-1-phosphate cytidylyltransferase from Salmonella typhiJ. Biol. Chem.279(42)44023-44029(2004) 4.Goedl, C., Schwarz, A., Minani, A., et al.Recombinant sucrose phosphorylase from Leuconostoc mesenteroides: Characterization, kinetic studies of transglucosylation, and application of immobilised enzyme for production of ɑ-Ｄ-glucose 1-phosphateJ. Biotechnol.129(1)77-86(2007)