AC-ARG-ARG-PRO-TYR-ILE-LEU-OH

Acetyl neurotensin (8-13) is the shortest analog of neurotensin with full binding and pharmacological activities[1].

[1] Granier C, et al. Synthesis and characterization of neurotensin analogues for structure/activity relationship studies. Acetyl-neurotensin-(8--13) is the shortest analogue with full binding and pharmacological activities. Eur J Biochem. 1982 May;124(1):117-24. DOI:10.1111/j.1432-1033.1982.tb05913.x