- Gonadotropin Releasing Hormone Receptor 2 (GnRHR2)
- Melatonin Receptor 1B (MTNR1B)
- Arginine Vasopressin Induced Protein 1 (AVPI1)
- Preprovasopressin (VP)
- Preprooxytocin (OT)
- Relaxin/Insulin Like Family Peptide Receptor 3 (RXFP3)
- Relaxin/Insulin Like Family Peptide Receptor 4 (RXFP4)
- Relaxin 2 (RLN2)
- Relaxin 3 (RLN3)
- Insulin Induced Gene 2 (INSIG2)
- Insulin Receptor Related Receptor (INSRR)
- Insulin Like Protein 3 (INSL3)
- Insulin Like Protein 4 (INSL4)
- Insulin Like Protein 5 (INSL5)
- Insulin Like Protein 6 (INSL6)
