WRAP5 is a 15-aa tryptophan/arginine/leucine-rich amphipathic cell-penetrating peptide; reported in related WRAP literature as NH2-LLRLLRWWWRLLRLL-CONH2. In this paper, WRAP5 forms non-covalent peptide-based nanoparticles with siRNA at R = 20.
Stereochemistry
L-amino acids inferred; no D-amino acids reported in this paper.
Modifications
N-terminal amine and C-terminal amide inferred from related WRAP5 literature; non-covalent complexation with siRNA; no covalent peptide-RNA conjugation.