NTP_transferases catalyze the transfer of nucleotides onto phosphosugars.
Nucleotidyltransferases transfer nucleotides onto phosphosugars. The enzyme family includes Alpha-D-Glucose-1-Phosphate Cytidylyltransferase, Mannose-1-phosphate guanyltransferase, and Glucose-1-phosphate thymidylyltransferase. The products are activated sugars that are precursors for synthesis of lipopolysaccharide, glycolipids and polysaccharides.