1081.7; 1197.8; 1199.8; 1228.8; 1251.8; 1253.8; 1426.8; 1480.9; 1487.9; 1632.9; 1666; 1691.9; 1746; 1788.1; 1982.2; 2263.4; 2697.6; 2774.6; TRYPSIN