- Primase, DNA Polypeptide 2 (PRIM2)
- Primase, DNA Polypeptide 1 (PRIM1)
- Prolyl Endopeptidase (PREP)
- Prolyl Endopeptidase Like Protein (PREPL)
- Proline Arginine Rich End Leucine Rich Repeat Protein (PRELP)
- Preimplantation Protein 3 (PREI3)
- Prolactin Regulatory Element Binding Protein (PREB)
- Protein Regulator Of Cytokinesis 1 (PRC1)
- Preferentially Expressed Antigen In Melanoma (PRAME)
- Polyglutamine Binding Protein 1 (PQBP1)
- Protein Phosphatase Methylesterase 1 (PPME1)
- Protein Phosphatase, Mg2+/Mn2+ Dependent 1A (PPM1A)
- Protein Phosphatase, Mg2+/Mn2+ Dependent 1B (PPM1B)
- Protein Phosphatase, Mg2+/Mn2+ Dependent 1D (PPM1D)
- Protein Phosphatase, Mg2+/Mn2+ Dependent 1G (PPM1G)
