853.434; 887.3898; 906.4702; 927.4915; 975.4933; 1019.5579; 1045.564; 1047.5083; 1130.5341; 1147.6566; 1219.6814; 1410.6379; 1476.6938; 1607.7465; 1800.8494; TRYPSIN