| Abbreviation | Definition |
|---|---|
| P | Phenotypic |
| P53 | Tumor Protein P53 |
| PAC | P1 Artificial Chromosome |
| PACHG | Program Advisory Committee on the Human Genome |
| PADB | Protein-Associated DNA Strand Breaks (pharmacology) |
| PAGI | P aeruginosa genomic island |
| PAKT | Phosphorylated protein kinase, strain AK, Thymoma (Phosphorylated protein kinase B) |
| PAL | Peptidoglycan Associated Lipoprotein |
| PAM | Percent of Accepted Mutations |
| PARP | Poly Adp Ribose Polymerase |
| PAS | Per-ARNT-Sim |
| PAS | Primosome ASsembly |
| PAUP | Phylogenetic Analysis Using Parsimony |
| PB | Polymerase Basic |
| PBD | Protein Binding Domain |
| PCD | Programmed Cell Death |
| PCD | -pterin-4±-carbinolamine dehydratase |
| PCD | pterin-4±-carbinolamine dehydratase |
| PCD | -pterin-4a-carbinolamine dehydratase |
| PCD | pterin-4a-carbinolamine dehydratase |