888.421; 912.481; 962.45; 1119.526; 1154.521; 1276.602; 1294.536; 1391.605; 1493.677; 1502.776; 1542.785; 1655.778; 1716.753; 1740.805; 1803.913; 1882.928; 2205.071; TRYPSIN