Amino acid replacement: Y2031N. Y2031 is in the extracellular domain.
T11073565A
Y2026N | sev-PA
Y2031N
Site of nucleotide substitution in mutant inferred by FlyBase based on reported amino acid change.
Homozygous flies have wild-type ommatidia at 18oC, but only 2% of ommatidia have R7 cell rhabdomeres at 28oC.