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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).