| Aerobic Glycolysis (Warburg Effect) |  | Metabolic | Pyruvic acid / Biotin / L-Glutamine / Succinic acid / Glutamic acid / NADH / ATP / Potassium cation / Magnesium cation / 2-phospho-D-glyceric acid / Phosphoenolpyruvate / D-glyceraldehyde 3-phosphate / Oxogluric acid / Flavin adenine dinucleotide / Ribulose-5-Phosphate / Citric acid / Maleic acid / Dihydroxyacetone phosphate |
| Agomelatine Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Agomelatine |
| Agomelatine Serotonin Antagonist Action Pathway |  | Drug Action | Pyridoxal phosphate / Tryptophan / Sapropterin / Calcium / Iron / Oxitriptan / Agomelatine |
| AICA-Ribosiduria |  | Disease | Tetrahydrofolic acid / Aspartic acid / L-Glutamine / Adenosine phosphate / Glutamic acid / Glycine / NADH / ATP / Adenine / Adenosine / Potassium cation / Calcium / Magnesium cation / Zinc / 5-O-phosphono-alpha-D-ribofuranosyl diphosphate / Uric acid / AICA ribonucleotide / Guanosine-5'-Monophosphate / Xanthine / Guanine / Cyclic adenosine monophosphate / Mesoheme / Guanosine / Ribose-1-Phosphate / Flavin adenine dinucleotide / Hypoxanthine / Pyrophosphoric acid / Maleic acid / Inosine / 2'-Deoxyguanosine-5'-Monophosphate |
| Ajmaline Action Pathway |  | Drug Action | Potassium cation / Calcium / Ajmaline / Cyclic adenosine monophosphate |
| Alanine Metabolism |  | Metabolic | Pyridoxal phosphate / Pyruvic acid / Biotin / Adenosine phosphate / Glutamic acid / Glycine / Alanine / ATP / Zinc / Oxogluric acid / Pyrophosphoric acid / Glyoxylic acid |
| Albendazole Action Pathway |  | Drug Action | ATP / Albendazole / Magnesium cation |
| Alcaftadine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Calcium / Magnesium cation / Alcaftadine |
| Alcaftadine H1-Antihistamine Action |  | Drug Action | Calcium / Alcaftadine |
| Alcaftadine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide / Alcaftadine |
| Alcaftadine H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Calcium / Alcaftadine |
| Alclometasone Action Pathway |  | Drug Action | Glutathione / Alclometasone / Dinoprostone / Calcium / Prostaglandin D2 / Mesoheme / Prostaglandin G2 / Arachidonic Acid |
| Alcloxa Drug Metabolism |  | Metabolic | Alcloxa |
| Aldosterone from Steroidogenesis |  | Physiological | NADH / Progesterone / Mesoheme / Cholesterol / Corticosterone |
| Alendronate Action Pathway |  | Drug Action | Cholecalciferol / ATP / Alendronic acid / Magnesium cation / Iron / Dimethylallyl Diphosphate / Formic acid / Geranyl Diphosphate / Mesoheme / Flavin adenine dinucleotide / Palmitic Acid / Pyrophosphoric acid / Cholesterol / ISOPENTENYL PYROPHOSPHATE / Farnesyl diphosphate |
| Alendronate Action Pathway (New Revised) |  | Drug Action | ATP / Magnesium cation / Dimethylallyl Diphosphate / Geranyl Diphosphate / Pyrophosphoric acid / Cholesterol / ISOPENTENYL PYROPHOSPHATE / Farnesyl diphosphate |
| Alendronate Action Pathway (New) |  | Drug Action | ATP / Magnesium cation / Dimethylallyl Diphosphate / Geranyl Diphosphate / Pyrophosphoric acid / Cholesterol / ISOPENTENYL PYROPHOSPHATE / Farnesyl diphosphate |
| Alendronic acid Drug Metabolism |  | Metabolic | Alendronic acid |
| Alfacalcidol Action Pathway |  | Drug Action | Calcitriol / Calcifediol / Cholecalciferol / Alfacalcidol / Mesoheme |
| Alfentanil Action Pathway |  | Drug Action | ATP / Norepinephrine / Alfentanil / Dopamine / Potassium cation / Calcium |
| Alfentanil Metabolism Pathway |  | Metabolic | Alfentanil / Mesoheme |
| Alfentanil Opioid Agonist Action Pathway |  | Drug Action | ATP / Alfentanil / Calcium / Magnesium cation / Cyclic adenosine monophosphate / gamma-Aminobutyric acid / Pyrophosphoric acid / Sar9, Met (O2)11-Substance P |
| Alimemazine H1 Antihistamine Smooth Muscle Relaxation Action Pathway |  | Drug Action | Alimemazine / Calcium / Magnesium cation |
| Alimemazine H1-Antihistamine Action |  | Drug Action | Alimemazine / Calcium |
| Alimemazine H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Alimemazine / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide |