Table 2.
Melanocortin receptors and their endogenous antagonists
| Melanocortin receptor | Endogenous antagonist |
| MC1R | Agouti |
| MC2R | Agouti |
| MC3R | Agouti, AgRP |
| MC4R | Agouti, AgRP |
| MC5R | ? |
Melanocortin receptors and their endogenous antagonists
| Melanocortin receptor | Endogenous antagonist |
| MC1R | Agouti |
| MC2R | Agouti |
| MC3R | Agouti, AgRP |
| MC4R | Agouti, AgRP |
| MC5R | ? |