negative regulation of glycogen (starch) synthase activity
negative regulation of kinase activity +
Any process that stops, prevents, or reduces the frequency, rate or extent of kinase activity, the catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
negative regulation of polynucleotide adenylyltransferase activity
negative regulation of protein ADP-ribosylation
negative regulation of protein phosphorylation +
negative regulation of RNA-dependent RNA polymerase activity
negative regulation of serine C-palmitoyltransferase activity
negative regulation of ubiquitin-protein transferase activity +