Furin protease | Cadherin-related family member 4 | 55.6% | Expressed in lung, uterine tube, testis (similar pattern to ACE2 prominent distribution) single-pass transmembrane protein. |
| Isoform 7 of tumor necrosis factor receptor superfamily member 25 | 50% | Interacts with receptor adapter protein TRADD and activates NF-κB, which are involved in inflammatory-induced apoptosis. May play a role in regulating lymphocyte homeostasis. |