Imprecise excision of P{lacW}paraJS1 has left about 10Kb of insert remaining.
paraJS1-Ex1/para[+] is a suppressor of bang sensitive | recessive phenotype of eas2
paraJS1-Ex1 dominantly suppresses the bang sensitive phenotype of eas2 homozygotes by 88%. The minimum voltage of high frequency stimulation of the brain required to induce seizure (the seizure threshold) of eas2 homozygotes is raised to almost wild-type levels by paraJS1-Ex1/+.