1027.725; 1130.675; 1171.788; 1203.668; 1233.786; 1376.81; 1490.054; 1575.135; 1689.945; 1769.026; 1781.199; 1796.181; 1804.163; 1813.118; 1962.272; 2117.446; TRYPSIN