Imprecise excision of the progenitor insertion, resulting in a 1731bp deletion which includes the second exon containing the translation start site.
The longevity of homozygous flies is 36% shorter than that of controls.
5 day old homozygotes have the same climbing ability as control flies, however, the climbing ability of homozygous flies is significantly lower than that of control flies at 25 and 30 days of age.
Homozygotes are hypersensitive to paraquat compared to controls, but show normal sensitivity to hydrogen peroxide.