UASt regulates expression of Cad96Ca bearing a K504A substitution rendering the protein kinase-defective.
Cad96CaK504A.UAS/Scer\GAL469B fails to rescue Cad96Caunspecified
Scer\GAL469B-mediated expression of Cad96CaK504A.Scer\UAS fails to rescue the lethality of Cad96Ca mutants.