| Protein | Synonyms | Taxonomy |
|---|---|---|
| Muscarinic acetylcholine receptor M2 | Homo sapiens (human) | |
| Muscarinic acetylcholine receptor M4 | Homo sapiens (human) |
| Compound | Description |
|---|---|
| Acetylcholine | A neurotransmitter found at neuromuscular junctions, autonomic ganglia, parasympathetic effector junctions, a subset of sympathetic effector junctions, and at many sites in the central nervous system. |