a biologically active analog of Ac-SDKP; Hpp - 3-(p-hydroxyphenyl)propionic acid; Aca-OH - N-t-butyloxycarbonyl-6-amino caproic acid; SDKP - N-acetyl-N-Ser-Asp-Lys-Pro; structure in first source
Source
Am J Physiol Heart Circ Physiol 2007 Feb;292(2):H984-93