Amino acid replacement: I256N.
Nucleotide substitution of AAT for ATT, (amino acid replacement of I by N) in the 425 amino stretch that is highly similar among DEAD-box proteins.
T15072751A
T?A
I256N | vas-PA; I256N | vas-PB; I256N | vas-PC
I256N
Lasko, 2000.2.7, personal communication
Absence of posterior pole plasm, polar granules and pole cells.
Cytoplasmic transplantation of wild type plasm into the abdominal region restores normal abdominal development.