Recombinant brassinosteroids insensitive 1 receptor-like kinase autophosphorylates on serine and threonine residues and phosphorylates a conserved motif in vitro. - Oh,M..H..; Ray,W..K..; Huber,S..C..; Asara,J..M..; Gage,D..A..; Clouse,S..D.. (Plant Physiol., 2000)