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6'-guanidinonaltrindole structure.png
IUPAC name
3D model (JSmol)
Molar mass 471.561 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

6'-Guanidinonaltrindole (6'-GNTI) is a κδ-opioid receptor selective ligand used in scientific research.[1]

With 6'-GNTI, evidence was provided for the first time that receptor oligomerization plays functional role in living organisms.[2]

6'-GNTI is an extremely biased agonist of the κ-opioid receptor.[3] It is a potent partial agonist of the G protein pathway but does not recruit the β-arrestin pathway.[3] Due to its functional selectivity for the G protein pathway, 6'-GNTI functions as an antagonist of nonbiased KOR agonists on the β-arrestin pathway.[3] It is thought that 6'-GTNI may be able to produce analgesia without dysphoria and with a lower incidence of tolerance.[3]

See also[edit]


  1. ^ Rives, ML; Rossillo, M; Liu-Chen, LY; Javitch, JA (2012). "6'-Guanidinonaltrindole (6'-GNTI) is a G protein-biased κ-opioid receptor agonist that inhibits arrestin recruitment". J Biol Chem. 287 (32): 27050–4. doi:10.1074/jbc.C112.387332. PMC 3411045. PMID 22736766.
  2. ^ Waldhoer M, Fong J, Jones RM, Lunzer MM, Sharma SK, Kostenis E, Portoghese PS, Whistler JL (June 2005). "A heterodimer-selective agonist shows in vivo relevance of G protein-coupled receptor dimers". Proc. Natl. Acad. Sci. U.S.A. 102 (25): 9050–5. doi:10.1073/pnas.0501112102. PMC 1157030. PMID 15932946.
  3. ^ a b c d Rives, M.-L.; Rossillo, M.; Liu-Chen, L.-Y.; Javitch, J. A. (2012). "6'-Guanidinonaltrindole (6'-GNTI) Is a G Protein-biased -Opioid Receptor Agonist That Inhibits Arrestin Recruitment". Journal of Biological Chemistry. 287 (32): 27050–27054. doi:10.1074/jbc.C112.387332. ISSN 0021-9258. PMC 3411045. PMID 22736766.