Amino acid replacement: G156S. Nucleotide substitution: G3221A.
G15441084A
G3221A
G157S | Act88F-PA
G156S
Heterozygotes rarely exhibit free myofibril fibres and if present they are cut, fragmented, torn and gapped. Indirect flight muscle fibres are slightly wavy in homozygotes and normal in heterozygotes.