TFF3 GI:48928027 trefoil factor 3 precursor 1 mqertgaata rreslpqann peqlckqrci neaswtmkrv lscvpeptvv 50 51 maaralcmlg lvlallssss aeeyvglsan qcavpakdrv dcgyphvtpk 100 101 ecnnrgccfd sripgvpwcf kplqeaectf