| Similarity | Rank | |
|---|---|---|
| glutamic | 0.895 | 96866 |
| acetylcholine | 0.862 | 55829 |
| dopamine | 0.860 | 20815 |
| GABA | 0.859 | 46769 |
| tryptophan | 0.858 | 53808 |
| neurotransmitter | 0.851 | 35288 |
| serotonin | 0.848 | 18868 |
| glycine | 0.847 | 81868 |
| NMDA | 0.835 | 89989 |
| cholinergic | 0.835 | 88546 |
| excitatory | 0.834 | 83741 |
| tyrosine | 0.832 | 48168 |
| phenylalanine | 0.832 | 81370 |
| dopaminergic | 0.830 | 78727 |
| receptors | 0.827 | 13875 |
| histamine | 0.823 | 49266 |
| neurotransmitters | 0.822 | 32872 |
| norepinephrine | 0.822 | 48622 |
| cysteine | 0.820 | 71289 |
| monoamine | 0.816 | 84399 |
| amines | 0.812 | 79289 |
| inhibitory | 0.810 | 40723 |
| adenosine | 0.809 | 62814 |
| methionine | 0.807 | 70468 |
| alanine | 0.806 | 98742 |