41bp deletion resulting in a frameshift before the SH2 domain (30 novel amino acid residues are introduced before the stop codon).
2 nt are deleted, then 2 nt are OK and then 39 nt are deleted (41 nt deleted in total). After the frameshift, there are 30 novel amino acids followed by a stop codon.
CA
VavΔSH2-SH3 mutants show supernumerary cone and primary pigment cells in the pupal retina.