815.4106; 827.4125; 957.5803; 1036.5338; 1082.5271; 1175.6427; 1224.6316; 1268.671; 1271.6548; 1493.7466; 1533.8168; 1721.9513; 1741.8931; 2042.1213; 2111.03; TRYPSIN