1027.55; 1073.54; 1171.57; 1218.55; 1233.56; 1290.57; 1303.7; 1331.57; 1376.58; 1489.82; 1603.77; 1657.87; 1710.92; 1728.88; 1768.82; 1795.9; 1803.86; 1812.9; 1962.04; 1964.99; 2117.16; 2174.2; TRYPSIN