- Relaksin
- Relaxin
- Insulin
- Relaxin/insulin-like family peptide receptor 3
- Relaxin/insulin-like family peptide receptor 1
- Relaxin/insulin-like family peptide receptor 2
- Insulin-like growth factor
- Relaxin receptor
- Relaxin-3
- Relaxin/insulin-like family peptide receptor 4
- Insulin/IGF/Relaxin family