Table 1. Single letter sequences and molecular weights (calculated and experimental) of peptides Prep1(54-72) and Prep1(59-72) used in this study.

Peptide	Sequence	MWcalc(amu)	MWexp(amu)
Prep1(54-72)	Ac-KQAIYRHPLFPLLALLFEK-NH2	2339.8	2338.6
Prep1(59-72)	Ac-RHPLFPLLALLFEK-NH2	1736.10	1735.6