- Histamine Receptor H1 (HRH1)
- Histamine Receptor H2 (HRH2)
- Histamine Receptor H3 (HRH3)
- Histamine Receptor H4 (HRH4)
- Adrenomedullin Receptor (AMR)
- Chemokine C-C-Motif Receptor Like Protein 2 (CCRL2)
- G Protein Coupled Estrogen Receptor 1 (GPER)
- Leucine Rich Repeat Containing G Protein Coupled Receptor 4 (LGR4)
- Leucine Rich Repeat Containing G Protein Coupled Receptor 5 (LGR5)
- Visual Pigment Like Receptor Peropsin (RRH)
- Opsin 1, Short Wave Sensitive (OPN1SW)
- Opsin 1, Medium Wave Sensitive (OPN1MW)
- Opsin 1, Long Wave Sensitive (OPN1LW)
- Opsin 5 (OPN5)
- Opsin 4 (OPN4)