>sp|P07338|CTRB1_RAT Chymotrypsinogen B OS=Rattus norvegicus OX=10116 GN=Ctrb1 PE=1 SV=1
MAFLWLVSCFALVGATFGCGVPTIQPVLTGLSRIVNGEDAIPGSWPWQVSLQDKTGFHFC
GGSLISEDWVVTAAHCGVKTSDVVVAGEFDQGSDEENIQVLKIAQVFKNPKFNMFTVRND
ITLLKLATPAQFSETVSAVCLPNVDDDFPPGTVCATTGWGKTKYNALKTPEKLQQAALPI
VSEADCKKSWGSKITDVMTCAGASGVSSCMGDSGGPLVCQKDGVWTLAGIVSWGSGVCST
STPAVYSRVTALMPWVQQILEAN