| ID | 1841 |
| PMID | 19228019 |
| Sequence | ckkkkkkkkk |
| Chirality | D |
| Peptide name | ck9 |
| Origin | Positively charged sequence |
| Family | Synthetic |
| Category | Cationic |
| Localization | Unknown |
| N terminal | Conjucated to Insulin |
| C terminal | Free |
| Uptake efficiency | lower than cTat and cr9 |
| Uptake mechanism | Unknown |
| Cancer cell lines | Rat alveolar epithelial cell monolayers (RAECM) and HepG4 |
| Patent number | Unknown |
| 3D structure |
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