879.503; 891.421; 974.56; 990.502; 1009.654; 1015.571; 1119.561; 1135.607; 1152.624; 1168.586; 1170.683; 1235.618; 1312.829; 1450.781; 1466.77; 1648.837; 2013.062; 2029.03; 2520.305; TRYPSIN