| Syndecan-2 | 22.16 | UniProtKB |
| Syndecan-1 | 32.462 | UniProtKB |
| sVEGFR2 | 152 | Found via general search |
| sVEGFR1 | 151 | Found via general search |
| Surfactant protein D (SP-D) | 43 | Found via general search |
| Suppressor of cytokine signaling 3 | 24.77 | UniProtKB |
| Suppressor of cytokine signaling 1 | 23.551 | UniProtKB |
| SuperOxide Dismutase (SOD) | 15.94 | Found via general search |
| Substance P (SP) | 1.3 | Found via general search |
| Stromelysin-1 | 53.977 | UniProtKB |
