- Paired Related Homeobox Protein 1 (PRRX1)
- Retina And Anterior Neural Fold Homeobox Protein (RAX)
- Rhox Homeobox Family, Member 2 (RHOXF2)
- Rhox Homeobox Family, Member 1 (RHOXF1)
- SATB Homeobox Protein 2 (SATB2)
- SATB Homeobox Protein 1 (SATB1)
- SIX Homeobox Protein 6 (SIX6)
- SIX Homeobox Protein 5 (SIX5)
- SIX Homeobox Protein 4 (SIX4)
- SIX Homeobox Protein 3 (SIX3)
- SIX Homeobox Protein 1 (SIX1)
- SIX Homeobox Protein 2 (SIX2)
- T-Cell Leukemia Homeobox Protein 2 (TLX2)
- T-Cell Leukemia Homeobox Protein 3 (TLX3)
- Teashirt Zinc Finger Homeobox Protein 3 (TSHZ3)