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A National Securities Identifying Number, or NSIN, is a generic nine-digit alphanumeric code which identifies a fungible security.The NSIN is issued by a national numbering agency (NNA) designated for that country.
Nisin is a polycyclic antibacterial peptide produced by the bacterium Lactococcus lactis that is used as a food preservative.It has 34 amino acid residues, including the uncommon amino acids lanthionine (Lan), methyllanthionine (MeLan), didehydroalanine (Dha), and didehydroaminobutyric acid (Dhb).