84588-89-6 Glp-glu-asp-cys-lys-OH L-Lysine, N2-(N-(N-(N-(5-oxo-L-prolyl)-L-alpha-glutamyl)-L-alpha-aspartyl)-L-cysteinyl)- Peedck Pglu-glu-asp-cys-lys-OH Pyroglutamyl-glutamyl-aspartyl-cysteinyl-lysine SP1 Pentapeptide hemoregulatory peptide 5b hp 5B