An internally deleted su(Hw) protein (encoded by a cDNA fragment), lacking amino acids 656 to 705, is expressed from its own promoter.
su(Hw)7, su(Hw)Δ656-705, su(Hw)V is a non-suppressor of phenotype of y2
su(Hw)Δ656-705 rescues su(Hw)V
Rescues the sterility of female su(Hw)V homozygotes.