| Abbreviation | Definition |
|---|---|
| PIR | Protein Information Resource |
| PK2 | Prokineticin 2 |
| PKI | Protein Kinase Inhibitor |
| PKIA | Protein Kinase Inhibitor Alpha |
| PKIB | Protein Kinase Inhibitor Beta |
| PKN | Protein KiNase C-related Kinases |
| PKR | Protein Kinase RNA |
| PLDB | Protein Linked DNA Break |
| PMG | Program for Mathematical Genomics |
| PMGA | Parallel Migrating Genetic Algorithm |
| PMGC | Princess Margaret Genomics Centre |
| PMGM | Program in Molecular and Genetic Medicine |
| PMP | Peroxisome Membrane Protein |
| PMSMO | Pareto Memetic Strategy for Multiple objective Optimization |
| PMT | Perforated Membrane Technology |
| PNA | Peptide Nucleic Acid |
| PNEI | Psycho Neuro Endocrino Immunology |
| PNP | Purine Nucleoside Phosphorylase |
| POC | Products Of Conception |
| POD | Post Ovulation Day |