952.5659; 1057.6172; 1108.6852; 1171.6312; 1231.5957; 1262.6747; 1353.6862; 1534.7296; 1550.8232; 1568.7946; 1685.8378; 1696.8901; 1770.8809; 2234.0725; 2303.0701; TRYPSIN