NCIt definition : A member of a family of proteins that are found in porcine leukocytes. The proteins
are cleaved to liberate peptides that have antimicrobial activity.;
Alternative definition : NCI-GLOSS: One of a family of small proteins found in white blood cells in pigs. Protegrins
kill certain bacteria, fungi, and viruses by making holes in their outer membranes
and causing them to burst. A protegrin is a type of antimicrobial peptide.;