| Nomenclature | GAL1 receptor | GAL2 receptor | GAL3 receptor |
| HGNC, UniProt | GALR1, P47211 | GALR2, O43603 | GALR3, O60755 |
| Principal transduction | Gi/o | Gi/o, Gq/11 | Gi/o |
| Rank order of potency | galanin > galanin-like peptide 881 | galanin-like peptide ≥ galanin 881 | galanin-like peptide > galanin 878 |
| Selective agonists (pKi) | – | [D-Trp2]galanin-(1–29) (8.15 - Rat) 887, galanin(2–29) (rat/mouse) (7.25–8.72 - Rat) 882,891–893 | – |
| Selective antagonists (pKi) | 2,3-dihydro-1,4-dithiin-1,1,4,4-tetroxide (pIC50 5.57) 884 | M871 (7.88) 889 | – |
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