961.5; 1006.5; 1215.7; 1389.8; 1520.8; 1573; 1601.8; 1627.9; 1684.9; 1771.9; 1919.1; 1939; 2038.1; 2047.3; 2145.2; 2365.5; 2560.4; 3113.8; TRYPSIN