Table 1.
Results of CPPred-RF server analysis for 70 cell-penetrating peptides (CPPs) that had high uptake efficiency with prediction confidence of above 0.9.
| Peptide No. | CPPs’ Names | Amino Acid Sequence | Cell-Penetrating or Not | Prediction Confidence 1 | Uptake Efficiency | Prediction Confidence 2 |
|---|---|---|---|---|---|---|
| 1 | Transportan 10 (TP10) | AGYLLGKINLKALAALAKKIL | Cell-penetrating | 0.98 | High | 1.00 |
| 2 | Ala43 substitution mutant of pAntp (43–58) | AQIKIWFQNRRMKWKK | Cell-penetrating | 0.95 | High | 0.96 |
| 3 | Crot (27–39) derivative 1 | CRFRFKCCKK | Cell-penetrating | 0.96 | High | 0.98 |
| 4 | Crot (27–39) derivative 2 | CRFRWKCCKK | Cell-penetrating | 0.96 | High | 0.99 |
| 5 | Crot (27–39) derivative 3 | CRWRFKCCKK | Cell-penetrating | 0.96 | High | 1.00 |
| 6 | CyLoP–1 | CRWRWKCCKK | Cell-penetrating | 0.95 | High | 1.00 |
| 7 | Crot (27–39) derivative 4 | CRWRWKCGCKK | Cell-penetrating | 0.92 | High | 0.99 |
| 8 | Crot (27–39) derivative 5 | DCRWRWKCCKK | Cell-penetrating | 0.82 | High | 0.99 |
| 9 | pAntp (49–58) | FQNRRMKWKK | Cell-penetrating | 0.84 | High | 0.91 |
| 10 | Tat (48–60) | GRKKRRQRRRPPQ | Cell-penetrating | 0.97 | High | 0.94 |
| 11 | pAntp (45–58) | IKIWFQNRRMKWKK | Cell-penetrating | 0.93 | High | 0.91 |
| 12 | Bip15 | IPMLK | Cell-penetrating | 0.56 | High | 0.92 |
| 13 | pAntp (47–58) | IWFQNRRMKWKK | Cell-penetrating | 0.89 | High | 0.97 |
| 14 | II | KALAALLKKLAKLLAALK | Cell-penetrating | 1.00 | High | 0.93 |
| 15 | Crot (27–39) derivative 6 | KCCKWRWRCK | Cell-penetrating | 0.95 | High | 0.94 |
| 16 | Crot (27–39) derivative 7 | KCGCRWRWKCGCKK | Cell-penetrating | 0.95 | High | 0.90 |
| 17 | Crot (27–39) derivative 8 | KCRWRWKCCKK | Cell-penetrating | 0.95 | High | 0.98 |
| 18 | Crot (27–39) derivative 9 | KDCRWRWKCCKK | Cell-penetrating | 0.78 | High | 0.99 |
| 19 | pAntp (46–58) | KIWFQNRRMKWKK | Cell-penetrating | 0.93 | High | 0.96 |
| 20 | 7 | KLWMRWWSPTTRRYG | Cell-penetrating | 0.98 | High | 0.93 |
| 21 | No.14–2 | KLWMRWYSATTRRYG | Cell-penetrating | 0.98 | High | 0.97 |
| 22 | No.14 | KLWMRWYSPTTRRYG | Cell-penetrating | 0.98 | High | 0.96 |
| 23 | No.14–7 | KLWMRWYSPWTRRYG | Cell-penetrating | 0.96 | High | 0.92 |
| 24 | Crot (27–39) | KMDCRWRWKCCKK | Cell-penetrating | 0.80 | High | 0.94 |
| 25 | Crot (27–39) derivative 10 | KMDCRWRWKCKK | Cell-penetrating | 0.78 | High | 0.95 |
| 26 | Crot (27–39) derivative 11 | KMDCRWRWKCSKK | Cell-penetrating | 0.82 | High | 0.95 |
| 27 | Crot (27–39) derivative 12 | KMDCRWRWKSCKK | Cell-penetrating | 0.83 | High | 0.95 |
| 28 | pVEC mutant 1 | LLIILRARIRKQAHAHSK | Cell-penetrating | 0.98 | High | 0.90 |
| 29 | pVEC mutant 2 | LLIILRRAIRKQAHAHSK | Cell-penetrating | 0.98 | High | 0.95 |
| 30 | pVEC mutant 3 | LLIILRRRIRAQAHAHSK | Cell-penetrating | 0.98 | High | 0.94 |
| 31 | Crot (27–39) derivative 13 | MDCRWRWKCCKK | Cell-penetrating | 0.79 | High | 0.93 |
| 32 | ARF (1-22) | MVRRFLVTLRIRRACGPPRVRV | Cell-penetrating | 0.88 | High | 0.93 |
| 33 | M918 | MVTVLFRRLRIRRACGPPRVRV | Cell-penetrating | 0.90 | High | 0.94 |
| 34 | pAntp (51–58) | NRRMKWKK | Cell-penetrating | 0.90 | High | 0.91 |
| 35 | pAntp (44–58) | QIKIWFQNRRMKWKK | Cell-penetrating | 0.96 | High | 0.92 |
| 36 | pAntp (50–8) | QNRRMKWKK | Cell-penetrating | 0.88 | High | 0.96 |
| 37 | Ala44 substitution mutant of pAntp (43–58) | RAIKIWFQNRRMKWKK | Cell-penetrating | 1.00 | High | 0.99 |
| 38 | PDX -1-PTD | RHIKIWFQNRRMKWKK | Cell-penetrating | 0.99 | High | 0.92 |
| 39 | No.14–25 | RLFMRFYSPTTRRYG | Cell-penetrating | 0.95 | High | 0.93 |
| 40 | No.14–17 | RLWMRWASPTTRRYG | Cell-penetrating | 0.99 | High | 0.96 |
| 41 | No.14–18 | RLWMRWYAPTTRRYG | Cell-penetrating | 0.98 | High | 0.98 |
| 42 | No.14–20 | RLWMRWYSPATRRYG | Cell-penetrating | 0.99 | High | 1.00 |
| 43 | No.14–21 | RLWMRWYSPTARRYG | Cell-penetrating | 0.99 | High | 1.00 |
| 44 | No.14–35 | RLWMRWYSPTTRRYA | Cell-penetrating | 0.98 | High | 0.98 |
| 45 | No.14–1 | RLWMRWYSPTTRRYG | Cell-penetrating | 0.99 | High | 0.98 |
| 46 | 30 | RLYMRYYSPTTRRYG | Cell-penetrating | 0.97 | High | 0.93 |
| 47 | Ala45 substitution mutant of pAntp (43–58) | RQAKIWFQNRRMKWKK | Cell-penetrating | 0.98 | High | 0.98 |
| 48 | Ala46 substitution mutant of pAntp (43–58) | RQIAIWFQNRRMKWKK | Cell-penetrating | 0.98 | High | 0.91 |
| 49 | Ala47 substitution mutant of pAntp (43–58) | RQIKAWFQNRRMKWKK | Cell-penetrating | 0.99 | High | 0.99 |
| 50 | Ala48 substitution mutant of pAntp (43–58) | RQIKIAFQNRRMKWKK | Cell-penetrating | 1.00 | High | 0.94 |
| 51 | Ala49 substitution mutant of pAntp (43–58) | RQIKIWAQNRRMKWKK | Cell-penetrating | 1.00 | High | 0.98 |
| 52 | Ala50 substitution mutant of pAntp (43–58) | RQIKIWFANRRMKWKK | Cell-penetrating | 0.99 | High | 0.99 |
| 53 | pAntpHD (Pro50) | RQIKIWFPNRRMKWKK | Cell-penetrating | 0.99 | High | 0.96 |
| 54 | Ala51 substitution mutant of pAntp (43–58) | RQIKIWFQARRMKWKK | Cell-penetrating | 0.99 | High | 0.94 |
| 55 | Ala52 substitution mutant of pAntp (43–58) | RQIKIWFQNARMKWKK | Cell-penetrating | 0.95 | High | 0.92 |
| 56 | Met-Arg | RQIKIWFQNMRRKWKK | Cell-penetrating | 1.00 | High | 0.93 |
| 57 | Ala54 substitution mutant of pAntp (43–58) | RQIKIWFQNRRAKWKK | Cell-penetrating | 0.99 | High | 0.97 |
| 58 | Penetratin | RQIKIWFQNRRMKWKK | Cell-penetrating | 1.00 | High | 0.97 |
| 59 | Retro - Tat (57–49) | RRRQRRKKR | Cell-penetrating | 1.00 | High | 0.90 |
| 60 | R6 | RRRRRR | Cell-penetrating | 1.00 | High | 0.91 |
| 61 | R9 | RRRRRRRRR | Cell-penetrating | 1.00 | High | 0.91 |
| 62 | Crot (27–39) derivative 14 | RWRWKCCKK | Cell-penetrating | 0.91 | High | 0.97 |
| 63 | Crot (27–39) derivative 15 | SRWRWKCCKK | Cell-penetrating | 0.94 | High | 0.93 |
| 64 | Rev (34–50) | TRQARRNRRRRWRERQR | Cell-penetrating | 0.98 | High | 0.90 |
| 65 | HIV-1 Rev (34–50) | TRQARRNRRRRWRERQRGC | Cell-penetrating | 0.96 | High | 0.90 |
| 66 | Bip6 | VPALK | Cell-penetrating | 0.74 | High | 0.96 |
| 67 | Bip1 | VPMLK | Cell-penetrating | 0.57 | High | 0.96 |
| 68 | Bip2 | VPTLK | Cell-penetrating | 0.67 | High | 0.99 |
| 69 | Bip16 | VPTLQ | Cell-penetrating | 0.60 | High | 0.91 |
| 70 | pAntp (48–58) | WFQNRRMKWKK | Cell-penetrating | 0.84 | High | 0.97 |
1 Prediction confidence of cell penetration. 2 Prediction confidence of uptake efficiency.