- Period Circadian Protein 2 (PER2)
- Period Circadian Protein 3 (PER3)
- Pleckstrin Homology Like Domain Family A, Member 1 (PHLDA1)
- Pleckstrin Homology Like Domain Family B, Member 1 (PHLDB1)
- Inositol Polyphosphate-5-Phosphatase J (INPP5J)
- Phosphoinositide-3-Kinase Regulatory Subunit 5 (PIK3R5)
- Piwi Like Protein 1 (PIWIL1)
- Phospholipase A2, Group IVB (PLA2G4B)
- Phospholipase A2, Group IVC (PLA2G4C)
- Phospholipase A2, Group XVI (PLA2G16)
- Pleckstrin Homology Domain Containing Family G, Member 4 (PLEKHG4)
- Pleckstrin Homology Domain Containing Family M, Member 1 (PLEKHM1)
- Pleckstrin Homology Domain Containing Family B, Member 1 (PLEKHB1)
- Pleckstrin Homology Domain Containing Family O, Member 1 (PLEKHO1)
- Plexin Domain Containing Protein 1 (PLXDC1)
