Excision of the progenitor insertion, which has resulted in an insertion of approximately 1kb of DNA into the second exon of akirin.
Homozygous embryos die shortly after stage 16 and do not hatch.
akirin5/akirinEP906 embryos show defects in the somatic musculature. 35% of embryos have missing muscles, 35% have muscle attachment defects and 6% have duplicated muscles. 44.7% of embryos have muscle defects in at least 2 hemisegments.