884.5436; 988.5424; 1020.585; 1044.4486; 1068.6034; 1102.541; 1128.6093; 1156.6279; 1259.578; 1559.7488; 1575.7341; 1591.7214; 1648.798; 1964.9951; 2077.9478; 2232.0708; 2248.0618; TRYPSIN