| Protein | Protein Name | Molecular Type | Hallmark | Feature | Evidence | Reference |
|---|---|---|---|---|---|---|
| CTSL | Cathepsin L | Cysteine protease | Metastasis | Bone Metastasis | Cathepsin L (CatL) is a cysteine cathepsin protease that is overexpressed in prostate cancer and secreted by metastatic prostate cancer tumour in bone microenvironment and induces osteoclast proliferation and activation. | Reference |