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Sequence of the peptides (biotin-Gly4 at the N-terminus, carboxamide at the C-terminus) used in this study
| Peptide | Sequence | Ζ | n (R) | n (W) |
|---|---|---|---|---|
| R9 | RRRRRRRRR | +9 | 9 | 0 |
| Tat (47–57) | YGRKKRRQRRR | +8 | 6 | 0 |
| R6L3 | RRLLRRLRR | +6 | 6 | 0 |
| Penetratin | RQIKIWFQNRRMKWKK | +7 | 3 | 2 |
| R6W3 | RRWWRRWRR | +6 | 6 | 3 |
Ζ net positive charge, n (R) number of arginine, n (W) tryptophan residues
