887.603; 909.575; 919.639; 1261.951; 1290.966; 1418.054; 1433.002; 1601.998; 1618.024; 1670.077; 1673.169; 1819.128; 1845.175; 1861.185; 1875.188; 1891.192; 2234.463; 2262.443; 2756.896; TRYPSIN