Amino acid replacement: R266N.
There is a reduction in the number of ectopic chordotonal organs produced in the wing when atoRN.Scer\UAS is expressed using Scer\GAL4hs.PB compared to when atoScer\UAS.cCa is expressed using Scer\GAL4hs.PB. Produces ectopic external sensory organs in the wing, when expressed using Scer\GAL4hs.PB.