Table 1. Selected CPP, produced by SPPS in both the unconjugated and PQ-conjugated form (cf.Scheme 1).

CPP	Amino acid sequence	Molecular weight (Da)	Net charge
TAT	RKKRRQRRRPPQ	1661	+9
PasTAT	FFLIPKGGRKKRRQRRRPPQ	2521	+10
Transportan	GWTLNSAGYLLGKINLKALAALAKKIL	2840	+5
Transportan 10 (TP10)	AGYLLGKINLKALAALAKKIL	2182	+5
IDR-1018	VRLIVAVRIWRR	1535	+5