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A Hypothetical Working Model for the Regulation of NACsa Translocation under Drought Stress.
NACsa is S-palmitoylated at Cys26 and anchored to the PM in an uninduced state. Under drought stress, NACsa is translocated to the nucleus after de-S-palmitoylation by the acyl-protein thioesterase APT1, where NACsa directly activates GlyI transcription and modulates the GSH/GSSG ratio.
