Table 2. Peptide Sequences, Properties, and Technical Values Given by the Suppliers and the Net Charge Taken from pepcalc.org.

peptide name	amino acid sequence	molecular mass (kDa)	stock concentration (mg/mL)	net charge at pH 7	purity (%)
porcine dynorphin A (Dyn)	Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-Trp-Asp-Asn-Gln	2.15	0.2	+4e	≥95
negative control (control)	Ser-Gly-Thr-Trp-Trp-Tyr-Tyr-Ile-Asn-Thr-Gly-Gly-Arg-Arg-Arg-Arg-Arg	2.19	0.5	+5e	98.16
single stretch (Phe)	Ser-Gly-Thr-Phe-Phe-Phe-Phe-Ile-Asn-Thr-Gly-Gly-Arg-Arg-Arg-Arg-Arg	2.08	0.5	+5e	98.14