An intronless Myb cDNA in which the RK amino acid sequence starting at position 523 has been replaced with AA is expressed under control of the native Myb promoter. The construct is tagged with EGFP.
Expression of MybRK523.T:Avic\GFP-EGFP rescues MybMH107 mutant lethality at 25[o]C and 29[o]C.