1-palmitoyl-2-oleoylphosphatidylcholine Amphibian Proteins Antimicrobial Cationic Peptides Aurein Coarse-grain Computer Simulation Helicoidal peptides Lipid Bilayers Lipid bilayers Maculatin Models, Molecular Molecular Conformation Molecular Dynamics Simulation Molecular dynamics Phosphatidylcholines amphibian protein antimicrobial cationic peptide aurein 1.2 peptide chemistry computer simulation conformation lipid bilayer maculatin-1.1 protein, Litoria metabolism molecular dynamics molecular model phosphatidylcholine