Inhibits the protein phosphatases PP2C06 and PP2C09 when activated by abscisic acid (ABA) (PubMed:24743650). Together with PP2C53, SAPK8 and SAPK10, may form an ABA signaling module involved in stress response (PubMed:26491145). Homodimer (PubMed:24743650). Interacts with PP2C53. Binding to PP2C53 is dependent on the presence of abscisic acid (ABA) (PubMed:26491145, PubMed:26362328). Interacts with PP2C50. Binding to PP2C50 is dependent on the presence of ABA (PubMed:28827170). Belongs to the PYR/PYL/RCAR abscisic acid intracellular receptor family.