877.4639; 879.4621; 928.4291; 978.4471; 1030.5354; 1042.4696; 1065.6206; 1087.5052; 1107.5513; 1153.5615; 1170.5542; 1235.561; 1272.6226; 1281.6495; 1335.7233; 1344.6829; 1375.683; 1609.7778; 1709.8379; 1782.838; 1867.8195; 2023.8973; 2518.2231; TRYPSIN