927.4; 1040.6; 1247.6; 1252.7; 1263.6; 1291.7; 1315.7; 1441.7; 1445.7; 1628.8; 1710.8; 1726.8; 1940.9; 2037; 2136; 2271.2; 2311.1; 3064.5; TRYPSIN