| Methane metabolism |
| ABC transporters |
| Calcium signaling pathway |
| Cardiac muscle contraction |
| Circadian entrainment |
| Long-term potentiation |
| Retrograde endocannabinoid signaling |
| Glutamatergic synapse |
| Cholinergic synapse |
| Serotonergic synapse |
| Dopaminergic synapse |
| Long-term depression |
| Olfactory transduction |
| Taste transduction |
| Phototransduction |
| Phototransduction - fly |
| Insulin secretion |
| Aldosterone-regulated sodium reabsorption |
| Endocrine and other factor-regulated calcium reabsorption |
| Proximal tubule bicarbonate reclamation |
| Salivary secretion |
| Gastric acid secretion |
| Pancreatic secretion |
| Carbohydrate digestion and absorption |
| Protein digestion and absorption |
| Bile secretion |
| Vitamin digestion and absorption |
| Mineral absorption |
| Amphetamine addiction |
| Nicotine addiction |
| Vibrio cholerae infection |
| Hypertrophic cardiomyopathy (HCM) |
| Arrhythmogenic right ventricular cardiomyopathy (ARVC) |
| Dilated cardiomyopathy |
