931.451; 1003.472; 1036.541; 1101.499; 1191.564; 1420.717; 1440.777; 1561.762; 1614.789; 1617.771; 1671.746; 1687.696; 1742.88; 1756.807; 2085.061; 2249.052; 2338.074; 2566.175; 2629.214; TRYPSIN