G-Arg-Ala- Val-ValAla-Cys-Phe-Arg-Met-Thr-Pro-Leu-Tyr-Asn-NH2)–were obtained in the Keck Biotechnology Resource Laboratory (New
G-Arg-Ala- Val-ValAla-Cys-Phe-Arg-Met-Thr-Pro-Leu-Tyr-Asn-NH2)–were obtained in the Keck Biotechnology Resource Laboratory (New Haven, CT). Employing split synthesis, half in the peptide sample was modified at the N-terminus with five,6-carboxy fluorescein (hereafter referred…