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. 2020 Jul 2;11:914. doi: 10.3389/fpls.2020.00914

FIGURE 1.

FIGURE 1

A putative model of kinases regulating monolignol enzymes activity. (A) Under potential stimulus such as pathogen infections, the CDPK proteins phosphorylate PAL2, decreasing the Vmax of the enzyme and reducing lignification in plants; (B) Kinase(s) protein(s), after an endogenous or environmental stimulus, phosphorylates AldOMT2 at either of the two phosphorylation sites and negatively regulates the AldOMT2 activity.