>sp|Q1W4C9|ISK13_HUMAN Serine protease inhibitor Kazal-type 13 OS=Homo sapiens GN=SPINK13 MAAFPHKIIFFLVCSTLTHVAFSGIFNKRDFTRWPKPRCKMYIPLDPDYNADCPNVTAPV CASNGHTFQNECFFCVEQREFHYRIKFEKYGKCD