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Protein Phosphatase 1 (PP1)

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Biochem/physiol Actions

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M4194 Microcystin LA from algae cyanotoxin Microcystin LA inhibits protein phosphatase type 2A and protein phosphatase type 3 more potently than protein phosphatase type 1 (order of potency PP2A > PP3 > PP1). Induces neutrophil-activating chemokines and extracellular reactive oxygen species, possible mechanisms of its hepatotoxic effects.