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Table 1 Typical structure motifs of mature antimicrobial peptides

From: Antimicrobial peptides and proteins of the horse - insights into a well-armed organism

Structure motif α-Helix β-Sheet Linear Loop structure Cyclic
Peptide example Magainin 2
[188]
PDB: 2MAG
Defensin
RK-1 [189]
PDB: 1EWS
Indolicidin [190]
PDB: 1G89
Thanatin [191]
PDB: 8TVF
Defensin RTD-1 [192]
PDB: 1HVZ
Ribbon model
Origin Frog
Xenopus laevis
Rabbit
Oryctolagus cuniculus
Cattle
Bos taurus
Bug
Podisus maculiventris
Monkey
Rhesus macaques
Disulfide bonds - 3 - 1 3
  1. Peptide structures obtained from the Protein Data Bank (PDB).