| Pulmonary surfactant-associated protein A1 | 26.242 | UniProtKB |
| Pyruvate | 0.08705 | UniProtKB |
| RANKL (TNFSF11) | 35.478 | UniProtKB |
| RANTES | 9.99 | Found via general search |
| Renin | 45.057 | UniProtKB |
| Resistin | 12.5 | Found via general search |
| Resolvin D5 | 0.3605 | UniProtKB |
| Retinoic acid receptor responder protein 2 | 18.618 | UniProtKB |
| Retinol-binding protein (RBP) | 21 | Found via general search |
| Retinol-binding protein 4 (RBP-4) | 21 | Found via general search |
