| Tissue or protein | Purified | Name | Mr (kDa) | Comment, localization | Reference |
| ECM components |
| Collagen | Yes | EhCP1 | 27 | In vitro, surface | [6] | Yes | EhCP2 | 26 | In vitro, membrane-associated | [7] | Yes | EhCP112 | 35.5 | In vitro (zymogram), surface | [8] | Yes | EhCP5 | 30 | In vitro (zymogram), and it is essential ex vivo for the cleavage of the collagen network, surface | [9, 10] | Yes | — | 56 | In vitro, secreted | [11] | No | — | 72 | In vitro (zymogram), crude extracts and EDG | [12] | Yes | — | 27–29 | In vitro | [13] | Laminin | Yes | EhCP4 | 26 | In vitro, secreted and nuclear | [14] | Yes | — | 56 | In vitro, secreted | [11] | Yes | — | 27–29 | In vitro | [13] | Fibronectin | Yes | EhCP112 | 35.5 | In vitro (zymogram), surface | [8] | Yes | — | 56 | In vitro, secreted | [11] | Yes | — | 27–29 | In vitro | [13] | Gelatin | No | — | 110, 68, 56, and 22 | Induced by collagen, conditioned medium | [15] |
| Immunoglobulins |
| IgA | Yes | EhCP4 | 26 | In vitro, secreted and nuclear | [14] | Yes | — | 70 | In vitro | [16] | IgG | Yes | EhCP5 | 30 | In vitro, surface | [9] | Yes | EhCP4 | 26 | In vitro, secreted and nuclear | [14] | Yes | EhCP1 | 27 | In vitro, surface | [17] | Yes | — | 56 | In vitro, secreted | [11] |
| Complement |
| C3 | Yes | EhCP4 | 26 | In vitro, secreted and nuclear | [14] | Yes | EhCP1 | 27 | In vitro, surface | [17] | Yes | — | 56 | In vitro | [18] | C3a and C5a | Yes | — | 56 | In vitro | [19] |
| Cytokines |
| proIL-18 | Yes | EhCP4 | 26 | In vitro, secreted and nuclear | [14] | Yes | EhCP5 | 30 | In vitro, surface | [20] | Yes | EhCP1 | 27 | In vitro, surface | [17] | proIL-1β | Yes | EhCP1 | 27 | In vitro, surface | [21, 22] | | EhCP2 | 26 | In vitro, membrane-associated | [21, 22] |
| Iron-containing proteins |
| Hemoglobin | Yes | EhCP112 | 35.5 | In vitro (zymogram), surface | [8] | Yes | EhCP5 | 30 | In vitro (zymogram), surface | [9] | Yes | — | 41, 27 | In vitro, intracellular | [23] | No | — | 32, 40 | In vitro, total extract | [24] | Yes | — | 22 | In vitro | [25] | Yes | — | 16 | In vitro | [26] | No | — | 116, 82, 28, and 21 | Human, porcine, and bovine Hb in vitro (zymogram) | [27] | Transferrin | No | — | 130, 43, 20, and 6 | Total extract in vitro (zymogram) | [28] | No | — | 130, 70, 50, 35, and 30 | Conditioned medium in vitro (zymogram) | [28] | Lactoferrin | No | — | 250, 100, 40, and 22 | Total extract in vitro (zymogram) | [29] | Ferritin | No | — | 100, 75, and 50 | Total extract in vitro (zymogram) | [30] |
| Other proteins or tissues |
| Mucin | Yes | EhCP5 | 30 | In vitro (zymogram), although ex vivo is not needed to cross the mucus, surface | [9, 31] | Proteoglycan | Yes | EhCP2 | 26 | In vitro, membrane-associated | [7] | Villin | Yes | EhCP1 | 27 | In vitro, surface | [14] | Yes | EhCP4 | 26 | Iin vitro, secreted and nuclear | [14] | Fibrinogen | Yes | EhCP5 | 30 | In vitro (zymogram), surface | [9] | BSA | Yes | EhCP5 | 30 | In vitro (zymogram), surface | [9] |
|
|