- Sidekick Homolog 2 (SDK2)
- SECIS Binding Protein 2 (SBP2)
- Secreted And Transmembrane Protein 1 (SECTM1)
- Sel1 Suppressor Of Lin 12 Like Protein (SEL1L)
- Selenoprotein T (SELT)
- Sentrin Specific Protease 8 (SENP8)
- Sentrin Specific Protease 7 (SENP7)
- Sentrin Specific Protease 6 (SENP6)
- Sentrin Specific Protease 1 (SENP1)
- Sentrin Specific Protease 2 (SENP2)
- Sentrin Specific Protease 3 (SENP3)
- Sentrin Specific Protease 5 (SENP5)
- Serum Deprivation Response Protein (SDPR)
- O-Phosphoserine tRNA Selenocysteine tRNA Synthase (SEPSECS)
- Plasminogen Activator Inhibitor 1 RNA Binding Protein (SERBP1)
