Amino acid replacement: V966M.
The amino acid replacement mutates the GxDV motif into GxDM, potentially disrupting the coordination of the metal ion required for RNA cleavage actibity.
G15559829A
V966M | AGO2-PB; V969M | AGO2-PC; V539M | AGO2-PE
V966M
Site of nucleotide substitution in mutant inferred by FlyBase based on reported amino acid change.
AGO2V966M mutant lysate shows a two-fold reduced rate of siRNA unwinding while the rate of passenger strand cleavage is also strongly reduced.