Table 2.

Sequences of common CPPs used in oligonucleotide delivery.

Family	Peptide	Sequence	Reference
Cationic	Tat-(43–60)	LGISYGRKKRRQRRRPPQ	[159]
	Tat-(48–60)	GRKKRRQRRRPPQ	[159]
	LAH-L1 (cationic amphipatic)	KKALLAHALHLLALLALHLAHALKKA	[150]
Amphipathic anionic	Penetratin	RQIKIWFQNRRMKWKK	[160]
	E5 (derived from HA2)	GLFEAIAEFIEGGWEGLIEGCA	[161]
	INF7 (derived from HA2)	GLFEAIEGFIENGWEGMIDGWYGC (dimer)	[162]
	GALA	WEAALAEALAEALAEHLAEALAEALEALAA	[154]
Penetration Accelerating Sequence-Hydrophobic	Cathepsin D domain	GKPILFF	[163]
	EED6	GFWFG	[164]
	EED7	GWWG	[164]