| GO | Name |
| GO:0002020 | protease binding |
| GO:0004867 | serine-type endopeptidase inhibitor activity |
| GO:0005615 | extracellular space |
| GO:0005737 | cytoplasm |
| GO:0010466 | negative regulation of peptidase activity |
| GO:0010951 | negative regulation of endopeptidase activity |
| GO:0019899 | enzyme binding |
| GO:0030162 | regulation of proteolysis |
| GO:0042270 | protection from natural killer cell mediated cytotoxicity |