909.4214; 981.4201; 1004.5339; 1063.4581; 1065.5267; 1116.5986; 1132.6227; 1242.5842; 1289.6616; 1298.6057; 1455.6906; 1608.7781; 1781.7434; 1812.8813; 1886.8905; 1937.7493; 2038.8828; 2337.989; TRYPSIN