| GO term | GO ID | GO IC |
|---|---|---|
| hormone activity | GO:0005179 | 4.95 |
| neuropeptide hormone activity | GO:0005184 | 6.34 |
| opioid receptor binding | GO:0031628 | 7.54 |
| opioid peptide activity | GO:0001515 | 8.35 |
| binding | GO:0005488 | 0.18 |
| protein binding | GO:0005515 | 0.46 |
| G-protein coupled receptor binding | GO:0001664 | 4.18 |
| receptor binding | GO:0005102 | 2.43 |