>sp|Q9U3Z3|I2B_CONBE Kappa-conotoxin BtX OS=Conus betulinus OX=89764 PE=1 SV=1
MMFRVTSVGCLLLVIVFLNLVVPTSACRAEGTYCENDSQCCLNECCWGGCGHPCRHPGKR
SKLQEFFRQR