| Programmed cell death 1 ligand 2 | 30.957 | UniProtKB |
| Programmed cell death 1 ligand 1 | 33.275 | UniProtKB |
| Progastrin‐releasing peptide (ProGRP) | 14 | Found via general search |
| Procollagen-3 | 42 | Found via general search |
| Procathepsin L | 37.564 | UniProtKB |
| Procalcitonin | 14.5 | 29332972 |
| pro-BNP (pro-B-type natriuretic peptide) | 8.5 | Found via general search |
| Presepsin | 13 | Found via general search |
| Prealbumin | 54.98 | Found via general search |
| Poliovirus receptor | 45.303 | UniProtKB |
