This is amino acids 17 to 41 fragment of lactoferrin, known as lactoferricin B. This peptide shows anti-fungal properties in combination of other anti-fungal agents.Candida Albicans is one of the targets of the lactoferricin B.

[Des-Tyr1]-Met-Enkephalin, a tetrapeptide, is a degradationproduct of enkephalins.

RNase L-IN-2 is an activator of RNase L with EC50 of 22 uM;?shows broad-spectrum antiviral activity against diverse types of RNA viruses, including the human pathogen human parainfluenza virus type 3, with no cytotoxic at the effective concentrations.