>tr|Q66S17|Q66S17_THANI Natterin 3 precursor - Thalassophryne nattereri (Niquim). MKLSVLVVTLLAVSWTSAQPETFSIQTKEANMNPEPANIRVARSSSAQSNLQWNYWDGQGAVPDGAVSIWNGEEKRTDYV CSCGCSSGFYSTKTGANCHYAYGETEKTCSGFSILVNRDNFENLEWKGGSDGSVPKNAVEVCEKVYVGKNKYGLGKVHTK HEALFLPWHGEEHWYKDYEVLTVNDDVVKQELTQVNYKLDAAHPIKNPPETLRRSSASNSQCRPITKTVALEKAIQTEQS WDVTSTVTFGVESSITAGIPDIASATVSVSVETSLSVSLGSTTTKTTTHTVSVIVTVPPNHYCPVTMVATKYTADIPFTG KMTRTYRNGQKRTTSITGTYRAIQVGEIRADVQRCSEIAGAKPC