Amino acid replacement: W?term.
Mutation is in repeat 12.
Nucleotide substitution: A?G.
Most hemizygous male embryos die before hatching, although they appear to be fully developed and motile (28 +/- 2% hatch). The mutant larvae survive for 1-3 days, whether or not they hatch. Homozygous larvae show reduced midgut acidification compared to wild-type larvae.
β-Specem12 is rescued by β-SpecUbi-p63E.Tag:MYC