975.6386; 1045.6842; 1106.6849; 1106.685; 1217.757; 1217.7639; 1249.2396; 1265.7588; 1387.8378; 1461.2892; 1761.0455; 1822.0807; 1847.0231; 2052.0798; 2583.5676; 2932.8884; TRYPSIN