Involved in disease resistance. Required for NPR1/NH1-mediated immunity to the bacterial blight pathogen Xanthomomas oryzae pv. oryzae (Xoo). Required for the benzothiadiazole (BTH)-induced immune response. Possesses kinase activity in vitro. Induced by benzothiadiazole (BTH). Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. CRK subfamily.