- Proline Rich Acidic Protein 1 (PRAP1)
- Proline Rich Protein 13 (PRR13)
- Small Proline Rich Like Protein 1B (SPRL1B)
- Proline Rich G Carboxyglutamic Acid 1 (PRRG1)
- Proline Rich G Carboxyglutamic Acid 2 (PRRG2)
- Small Proline Rich Like Protein 1A (SPRL1A)
- Small Proline Rich Like Protein 2A (SPRL2A)
- Small Proline Rich Like Protein 3A (SPRL3A)
- Small Proline Rich Like Protein 4A (SPRL4A)
- Proline Rich G Carboxyglutamic Acid 3 (PRRG3)
- Proline Rich G Carboxyglutamic Acid 4 (PRRG4)
- Proline Rich Protein 4, Lacrimal (PRR4)
- Proline Rich Protein 5, Renal (PRR5)
- Proline Rich Protein 7, Synaptic (PRR7)
- Papillary Renal Cell Carcinoma, Translocation Associated Protein (PRCC)
