| Nomenclature | MCH1 receptor | MCH2 receptor |
| HGNC, UniProt | MCHR1, Q99705 | MCHR2, Q969V1 |
| Principal transduction | Gq/11, Gi/o | Gq/11 1150–1152 |
| Rank order of potency | melanin-concentrating hormone (human) > MCH (salmon) | melanin-concentrating hormone (human) = MCH (salmon) 1150 |
| Selective antagonists (pKi) | SNAP-7941 (pA2 9.2) 1145, GW803430 (pIC50 9.3) 1149, T-226296 (pIC50 8.3) 1153, ATC0175 (pIC50 7.9–8.1) 1147 | – |
| Radioligands (Kd) | [3H]MCH (human, mouse, rat) (Agonist, Full agonist) 1146, [125I]S36057 (Antagonist) (3.2x10−10–6.3x10−10 M) 1144, [125I][Phe13,Tyr19]MCH (Agonist, Full agonist) (7x10−10 M) 1146 | – |
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