http://www.rcsb.org/pdb/ RCSB Protein Data Bank: An Information Portal to Biological Macromolecular Structures Copyright: (C) RCSB PDB http://www.rcsb.org/pdb/skins/web20/images/pdblogo.gif http://www.rcsb.org/pdb/ Mon, 17 Jun 13 23:45:20 -0700 Mon, 17 Jun 13 23:45:20 -0700 en-us http://www.rcsb.org/pdb/101/motm.do?momID=162 Mon, 17 Jun 13 23:45:20 -0700 Bacteria are a constant threat, so our bodies have many defenses to protect us from infection. One of our first lines of defense is a collection of small peptides, termed antimicrobial peptides, that are secreted from our cells. These peptides are toxic to a broad spectrum of bacteria, binding to their membranes and disrupting their function. http://www.rcsb.org/pdb/101/motm.do?momID=162