Most bioactive peptides carry names (often more than one name) derived from their origin or their activity. Abbreviations of these names are also common use. Their sequences tend to be species-specific, hence a choice of species can be attached to the name:

Endothelin-1 (human, bovine, dog, mouse, porcine, rat) (ET-1)

Bachem also offers partial sequences of such peptides:
Amyloid β-Protein (25-35)

and N-terminally labeled peptides:
Biotinyl-BNP-32 (human) (Biotinyl-Brain Natriuretic Peptide-32 (human))

Amino acid replacements or modifications are designated by mentioning the newly introduced or modified amino acid(s) and the position of exchange:
(Gly28,Cys30)-Amyloid β-Protein (1-30); (Lys(biotinyl)29)-Cortistatin-29 (human)

Omissions are marked by “Des” (Des-Gly77,Des-His78)-Myelin Basic Protein (68-84) (bovine)