>sp|P81792|TX90B_PHONI Omega-ctenitoxin-Pn4a OS=Phoneutria nigriventer OX=6918 PE=1 SV=2
MKCAVLFLSVIALVHIFVVEAEEEPDSDALVPQERACIPRGEICTDDCECCGCDNQCYCP
PGSSLGIFKCSCAHANKYFCNRKKEKCKKA