Amino acid replacement: M85K.
Nucleotide substitution: T?A.
T19869239A
T?A
M85K | Rab8-PA; M50K | Rab8-PB; M85K | Rab8-PC
M85K
All the tested trans-heterozygous allelic combinations of Rab8Z3007 mutants display synaptic overgrowth, characterized by significant increase in synaptic bouton number of up to 100% relative to wild-type.