Table 1.
Components of the melanocortin hormone system.
| The melanocortin system | |
|---|---|
| Ligands | ACTH; α-MSH, β-MSH, γ-MSH |
| Receptors | melanocortin receptor type 1~5 (Class A G-protein coupled receptors) |
| Antagonists | Agouti signaling protein (ASIP); Agouti related protein (AgRP) |