| Similarity | Rank | |
|---|---|---|
| methionine | 0.888 | 70468 |
| phenylalanine | 0.887 | 81370 |
| choline | 0.881 | 57784 |
| glycine | 0.875 | 81868 |
| serotonin | 0.869 | 18868 |
| glutamine | 0.868 | 56889 |
| thiamine | 0.859 | 74326 |
| glutamate | 0.858 | 44758 |
| cysteine | 0.858 | 71289 |
| lysine | 0.854 | 61532 |
| GABA | 0.854 | 46769 |
| taurine | 0.852 | 79949 |
| glutamic | 0.846 | 96866 |
| leucine | 0.845 | 93182 |
| amino | 0.840 | 10494 |
| alanine | 0.830 | 98742 |
| inositol | 0.828 | 97802 |
| purine | 0.826 | 94222 |
| melatonin | 0.826 | 27894 |
| carnitine | 0.825 | 80417 |
| lecithin | 0.823 | 64030 |
| arginine | 0.823 | 50005 |
| monoamine | 0.819 | 84399 |
| norepinephrine | 0.814 | 48622 |
| protein | 0.812 | 2905 |