| sIL1R2 (Soluble Interleukin-1 Receptor-2) | 45.421 | UniProtKB | 
| sIL1R1 (Soluble Interleukin-1 Receptor-1) | 65.402 | UniProtKB | 
| Signal transducer and activator of transcription 3 | 88.068 | UniProtKB | 
| Sialic acid-binding Ig-like lectin 9 | 50.082 | UniProtKB | 
| Sialic acid-binding Ig-like lectin 7 | 51.143 | UniProtKB | 
| Sialic acid-binding Ig-like lectin 5 | 60.715 | UniProtKB | 
| Sgp130 (Soluble Glycoprotein 130) | 100 | Found via general search | 
| sFRP-3 | 36.254 | UniProtKB | 
| sFasL | 31.485 | UniProtKB | 
| sFas | 37.732 | UniProtKB |