Amino acids 50-59 (TAAVYSAAIL) are replaced with amino acids 46-55 (GAPVYLAAVM) of His2A.
His2AvtM4 partially rescues His2Av810
The lethality associated with His2Av810 is partially rescued by His2AvtM4. At 25oC all flies reach pupariation, and about 70% of flies are rescued to adulthood. At 29oC about 60% are rescued to adulthood.