| Progesterone-induced-blocking factor 1 | 89.805 | UniProtKB |
| Progesterone | 0.3145 | PubChem |
| Pro-epidermal growth factor | 133.994 | UniProtKB |
| Pregnancy-specific beta-1-glycoprotein 3 | 47.945 | UniProtKB |
| Prasterone | 0.2884 | UniProtKB |
| Poly I:C | 8635.5 | 19438974 |
| PMA | 0.61683 | 1545152 |
| Platelet-derived growth factor subunit A | 24.043 | UniProtKB |
| Plasminogen activator inhibitor 1 | 45.06 | UniProtKB |
| Plasma protease C1 inhibitor | 55.154 | UniProtKB |
