Antimicrobial Peptides: Versatile Biological Properties

Table 2

List of antimicrobial peptides based on their structural features.

Class of AMP	Structural features	Representative peptides	Structure	References
Cationic peptides	Peptides forming α-helical structures	Cecropins	α-Helix	[19]
	Single disulphide bridge	Thanatin	β-Sheet	[20]
	Two disulphide bridge	Tachyplesin II	β-Sheet	[21]
	Three disulphide bridge	Penaeidins	β-Sheet	[22]
	More than three disulphide bridge	Drosomycin	α β-Structure	[20]
	Proline-rich peptide	Pyrrhocoricin	α β-Structure	[23]
	Glycine-rich peptide	Diptericins	—	[24]
	Histidine-rich peptide	Histatin	Rich in H	[25]
	Tryptophan-rich peptide	Indolicidin	Extended	[26]
Noncationic peptides	Neuropeptide derived molecules	Secretolytin	α-Helix	[27]
	Aspartic acid rich peptides	Dermcidin	—	[28]
	Aromatic dipeptides	N-Alanyl-5-s-glutathionyl-; 3,4 Dihydroxy-phenylalanine and p-hydroxy cinnamaldehyde	—	[29]
	Oxygen binding proteins	Lactoferricin	β-Turn	[30]