| Phosphatidylethanolamine Biosynthesis PE(PGF2alpha/22:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(PGJ2/14:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(PGJ2/15:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(PGJ2/16:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(PGJ2/18:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(PGJ2/20:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(PGJ2/22:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(TXB2/14:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(TXB2/15:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(TXB2/16:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(TXB2/18:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(TXB2/20:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylethanolamine Biosynthesis PE(TXB2/22:0) |  | Metabolic | Choline / Serine / ATP / Cytidine-5'-Triphosphate / Ethanolamine / Pyrophosphoric acid |
| Phosphatidylinositol Phosphate Metabolism |  | Metabolic | ATP / Calcium / Magnesium cation / Inositol |
| Phosphoenolpyruvate Carboxykinase Deficiency 1 (PEPCK1) |  | Disease | Pyruvic acid / Biotin / NADH / ATP / Magnesium cation / 2-phospho-D-glyceric acid / Phosphoenolpyruvate / D-glyceraldehyde 3-phosphate / Oxogluric acid / Dihydroxyacetone phosphate |
| Phosphoenolpyruvate Carboxykinase Deficiency 1 (PEPCK1) |  | Disease | Pyruvic acid / Biotin / NADH / ATP / Magnesium cation / 2-phospho-D-glyceric acid / Phosphoenolpyruvate / D-glyceraldehyde 3-phosphate / Oxogluric acid / Dihydroxyacetone phosphate |
| Phospholipase C Signaling Pathway |  | Signaling | Calcium |
| Phospholipid Biosynthesis |  | Metabolic | Choline / Phosphatidyl serine / NADH / Calcium / Magnesium cation / sn-glycerol 3-phosphate / Acetylcholine / Flavin adenine dinucleotide / N,N,N-Trimethyl-2-(phosphonooxy)ethanaminium / Ethanolamine / Dihydroxyacetone phosphate |
| Physostigmine Action Pathway |  | Drug Action | Choline / Physostigmine / Calcium / Magnesium cation / Acetylcholine / Acetic acid |
| Physostigmine Action Pathway (new) |  | Drug Action | Choline / Physostigmine / Calcium / Magnesium cation / Acetylcholine / Acetic acid |
| Physostigmine Predicted Metabolism Pathway |  | Metabolic | Physostigmine / Mesoheme |
| Phytanic Acid Peroxisomal Oxidation |  | Metabolic | Ascorbic acid / Succinic acid / NADH / ATP / Magnesium cation / Iron / Oxogluric acid / Pyrophosphoric acid |
| Pibrentasvir Action Pathway |  | Drug Action | Magnesium cation / Zinc / Pibrentasvir |
| Pilocarpine Action Pathway |  | Drug Action | Pilocarpine / Calcium / Magnesium cation |
| Pilocarpine M1 Saliva Excretion Action Pathway |  | Drug Action | Pilocarpine / Calcium |