Amino acid replacement: E47K.
Nucleotide substitution: G445A.
G26005755A
G445A
E47K | E(spl)mbeta-HLH-PA
E47K
E(spl)mβ-HLHE47K/Df(3R)BSC751 mutant embryos do not display a significant difference in the number of Ap neurons, as compared with controls.