Function
Secreted effector that acts as an elicitor of hypersensitive response (HR) specifically on plants carrying defense protein R1, through its interaction with this protein (PubMed:12000683, PubMed:25760731, PubMed:29910515). Acts also as a virulence factor that promotes colonization and suppresses cell death induced by CRN2 as well as callose deposition, a hallmark of basal defense (PubMed:26336092, PubMed:30329083). Interacts with host exocyst component Sec5 and thereby disturbs vesicle trafficking, a cellular process that is important for basal defense. By targeting and stabilizing Sec5 in the cytoplasm, the exocyst complex is thus out of balance and not able to mediate the focal secretion of PR-1 and callose (PubMed:26336092).