- Topoisomerase II Binding Protein 1 (TOPBP1)
- Small Proline Rich Protein 1A (SPRR1A)
- Small Proline Rich Protein 1B (SPRR1B)
- Small Proline Rich Protein 2A (SPRR2A)
- Small Proline Rich Protein 3 (SPRR3)
- Small Proline Rich Protein 4 (SPRR4)
- Basic Salivary Proline Rich Protein 3 (PRB3)
- Basic Salivary Proline Rich Protein 4 (PRB4)
- Basic Salivary Proline Rich Protein 2 (PRB2)
- Basic Salivary Proline Rich Protein 1 (PRB1)
- Acidic Salivary Proline Rich Phosphoprotein 1 (PRH1)
- Acidic Salivary Proline Rich Phosphoprotein 2 (PRH2)
- Keratinocyte Proline Rich Protein (KPRP)
- Proline Rich Nuclear Receptor Coactivator 1 (PNRC1)
- Proline Rich Nuclear Receptor Coactivator 2 (PNRC2)