| Similarity | Rank | |
|---|---|---|
| alkyl | 0.739 | 93455 |
| ester | 0.726 | 57173 |
| amine | 0.720 | 73990 |
| covalent | 0.720 | 79275 |
| acetyl | 0.714 | 97419 |
| serine | 0.711 | 83504 |
| cysteine | 0.708 | 71289 |
| subunit | 0.708 | 62307 |
| cytochrome | 0.703 | 59317 |
| ligand | 0.698 | 49256 |
| glycine | 0.698 | 81868 |
| ligands | 0.688 | 57800 |
| subunits | 0.686 | 64947 |
| methionine | 0.682 | 70468 |
| hydroxyl | 0.681 | 64812 |
| reductase | 0.681 | 64818 |
| anion | 0.680 | 92865 |
| oxidase | 0.680 | 61161 |
| hydrolysis | 0.676 | 51468 |
| amines | 0.676 | 79289 |
| molecule | 0.676 | 14352 |
| metabolite | 0.674 | 49275 |
| acceptor | 0.673 | 97770 |
| hydrophobic | 0.672 | 56717 |
| polypeptide | 0.672 | 74462 |