These motifs have been categorized as (i) phosphorylation-based substrate motifs (that is, motifs that are recognized by serine/threonine/tyrosine kinases or phosphatases and (ii) phosphorylation ...

The study of the substrate specificity and regulation ... Figure 4: The molecular mechanism by which phosphorylation inhibits GSK3. Figure 5: Several signalling pathways induce the inhibition ...

Kinases are enzymes that modify other proteins by adding phosphate groups to them, a process known as phosphorylation ...