Amino acid replacement: V465M.
Nucleotide substitution of ATG for GTG, (amino acid replacement of V by M) in the 425 amino stretch that is highly similar among DEAD-box proteins.
G15073377A
G?A
V465M | vas-PA; V465M | vas-PB; V465M | vas-PC
V465M
Lasko, 2000.2.7, personal communication
Absence of posterior pole plasm, polar granules and pole cells.
Strong allele of vas. Cytoplasmic transplantation of wild type plasm into the abdominal region restores normal abdominal development.