GPCRs
Adenosine
Adrenergic
Angiotensin
Cannabinoid
Chemokine
Calcitonin
Dopamine
Glucagon family receptors
Corticotropin-releasing factor
Glycoprotein hormone receptors
Melanin-concentrating hormone
Melanocortin
Opioid
Metabotropic glutamate
Secretin
Serotonin
Somatostatin
Sphingosine 1-phosphate
Thyroid/Parathyroid hormone
VIP & PACAP
Vasopressin and oxytocin
Other GPCRs