| Matrix metalloproteinase-9 | 78.458 | UniProtKB |
| MCAF | 11.025 | UniProtKB |
| MCP-1 | 11.025 | UniProtKB |
| MCP-3 [Monocyte-Chemotactic Protein 3] | 11.2 | UniProtKB |
| Melanoma-associated antigen 1 | 34.342 | UniProtKB |
| Mercuric Chloride | 0.2715 | UniProtKB |
| Metalloproteinase inhibitor 1 | 23.171 | UniProtKB |
| Metalloproteinase inhibitor 2 | 24.399 | UniProtKB |
| Metalloproteinase inhibitor 3 | 24.145 | UniProtKB |
| Metalloproteinase inhibitor 4 | 25.503 | UniProtKB |
