Structural classes of antimicrobial peptides.

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Structural classes of antimicrobial peptides. Structural classes of antimicrobial peptides. (A) Mixed structure of human β-defensin-2 (PDB code 1FQQ) (216); (B) looped thanatin (PDB code 8TFV) (156); (C) β-sheeted polyphemusin (PDB code 1RKK) (202); (D) rabbit kidney defensin-1 (PDB code 1EWS) (165); (E) α-helical magainin-2 (PDB code 2MAG) (76); (F) extended indolicidin (PDB code 1G89) (212). The disulfide bonds are indicated in yellow, and the illustrations have been prepared with use of the graphic program MolMol 2K.1 (132). Håvard Jenssen et al. Clin. Microbiol. Rev. 2006; doi:10.1128/CMR.00056-05