- PROP Paired Like Homeobox Protein 1 (PROP1)
- Dorsal Root Ganglia Homeobox Protein (DRGX)
- Paired Related Homeobox Protein 2 (PRRX2)
- 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)