- G Protein Coupled Receptor 172B (GPR172B)
- G Protein Coupled Receptor 172A (GPR172A)
- G Protein Coupled Receptor 173 (GPR173)
- G Protein Coupled Receptor 180 (GPR180)
- G Protein Coupled Receptor 183 (GPR183)
- G Protein Coupled Receptor 27 (GPR27)
- G Protein Coupled Receptor 39 (GPR39)
- G Protein Coupled Receptor 37 (GPR37)
- G Protein Coupled Receptor 31 (GPR31)
- G Protein Coupled Receptor 32 (GPR32)
- G Protein Coupled Receptor 33 (GPR33)
- G Protein Coupled Receptor 34 (GPR34)
- G Protein Coupled Receptor 45 (GPR45)
- G Protein Coupled Receptor 50 (GPR50)
- G Protein Coupled Receptor 52 (GPR52)
