Amino acid replacement: K49Q.
UAS regulatory sequences drive expression of a mutated form of Vrp1.
Vrp1K49Q.UAS/Scer\GAL4twi.PG fails to rescue Vrp1S1946
The myoblast fusion defect seen in Vrp1S1946 embryos is not rescued by expression of Vrp1K49Q.Scer\UAS under the control of Scer\GAL4twi.PG.