| PPPA | protein phosphatase alpha |
|---|---|
| PSP | pancreatic spasmolytic peptide; paralytic shellfish poisoning; parathyroid secretory protein; period... |
| PTP | pancreatic thread protein; percutaneous transhepatic portography; physical treatment planning; poste... |
| PTPC | protein-tyrosine phosphatase C |
| PTPG | protein-tyrosine phosphatase gamma |