Nucleotide substitution: C2240T.
Amino acid replacement: S747L.
C14155488T
C2240T
S747L | pea-PA
S747L
Mutants show loss of expression of P{FMRFa-EGFP.Tv}, a marker for the six Ap4 neurons in the developing ventral nerve cord, and normal expression of eya, which identifies the four Ap cluster neurons.
Isolated in a screen for altered expression of P{FMRFa-EGFP.Tv}.