Table 3.
Characteristics of protease inhibitors identified by LC-ESI-MS/MS
| Protease inhibitor | Accession no. | Target enzymea) | Band ID |
|---|---|---|---|
| Alpha-2-macroglobulin-like protein 1 | Q6ZW52 | Chymotrypsin, subtilisin A, papain, thermolysin | 1, 4, 6 |
| Alpha-1-antitrypsin | P01009 | Elastase-1, elastase-2, cathepsin G, thrombin, plasmin, kallikrein-related peptidase 4 | 2, 3, 4, 5, 6, 8, 11, 12, 15 |
| Leukocyte elastase inhibitor | P30740 | Elastase-2, cathepsin G, myeloblastin | 2, 3, 4, 5, 6, 7, 8, 14 |
| Plasma protease C1 inhibitor | P05155 | Complement component activated C1r and C1s | 4, 12 |
| Alpha-1-antichymotrypsin | P01011 | Kallikrein-related peptidase 14, cathepsin G | 4, 6 |
| Cystatin-SA | P09228 | Cysteine protease | 5 |
| Angiotensinogen | P01019 | Unknown | 6, 7 |
| Kininogen-1 | P01042 | Cysteine proteases (cathepsin L) | 6 |
| Neuroserpin | Q99574 | uPA, tPA, plasmin | 7, 8 |
| Metalloproteinase inhibitor 1 | P01033 | MMPs | 16 |
Based on information available at the MEROPS website (http://merops.sanger.ac.uk/).