850.49; 887.43; 969.5; 1076.48; 1158.48; 1217.6; 1257.58; 1302.61; 1637.93; 1786.92; 1891.99; 1986.09; 2109.03; 2179.16; 2235.19; 2757.45; 3209.68; 3258.79; TRYPSIN