1230.7; 1273.6; 1300.7; 1310.7; 1368.7; 1530.9; 1561.8; 1687.9; 1891; 1949; 2020; 2324.2; 2341.2; 2387.3; 2512.3; 2577.4; 2593.3; 2795.4; 2926.3; TRYPSIN