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Details of CPPsite entry with Sequence RKKRRQRRR
Primary information
PEPTIDE SEQUENCERKKRRQRRR
CPPsite ID 2249, 2431, 2610, 2956, 1006, 1329, 1496,
PEPTIDE NAMETat-PCP, FabRev1-Tat, TAT, Tat(49–57), Tat (49-57), Tat (49-57), Tat (49-57)
CHIRALITYL, L, L, L, L, L, L
LINEAR/CYCLICLinear, Linear, Linear, Linear, Linear, Linear, Linear
SOURCEProtein derived, Synthetic, Protein derived, Protein derived, Protein derived, Protein derived, Protein derived
CATEGORYCationic, Cationic, Cationic, Cationic, Cationic, Cationic, Cationic
SUB CELLULAR LOCALIZATIONCytoplasm and Nucleus, Cytoplasm and Nucleus, NA, NA, Probably cytoplasm and nucleus, nucleolus, Nucleus, Unknown
N-TERMINAL MODIFICATIONAcetylation, Fused with protein C-terminus, NA, Conjugation with 5(6)-Carboxyfluorescein, Conjugation with fluorescein with 6-aminohexanoic acid (Ahx) spacer, Conjugation with fluorescein, Free
C-TERMINAL MODIFICATIONAmidation, Free, NA, Free, Free, Free, Conjugation with GFP
CHEMICAL MODIFICATION?, L-2-naphthylalanine,miniPEG, 8-amino-3,6-dioxaoctanoic acid, NA, NA, NA, NA, NA, NA
UPTAKE EFFICIENCYLower efficiency, NA, NA, Low, High, Unknown, Unknown
PROPOSED UPTAKE MECHANISMEndocytic pathway, NA, NA, NA, Probably non-endocytic pathway, Condition dependent, Condition dependent (not determined in this paper)
INVITRO/INVIVOIn vitro, In vitro, In vitro, In vivo, In vitro, In vitro, In vitro
CELL LINEHEK293, HeLa, MCF-7, NIH 3T3, A549, Jurkat, H1650, and H1299 cells, PBMC and HEK293T cells, human epithelial lung cell line A549-luc-C8, NA, Jurkat, RAW 264.7, Drosophila S2 cells
In VIVO MODELNA, NA, NA, Adult zebrafish, NA, NA, NA
CARGOPeptide [PCP, miniPEG-DE(pCAP)LI-NH2], Protein (Rev), Nucleic acid (Calcium comlexed siRNA), Fluorophore (5-Carboxyfluorescein), Fluorophore (fluorescein), Fluorophore (fluorescein), Protein (GFP)
PMID24896852, 24878961, 21856394, 25894337, 11087855, 12450378, 11211880
PATENTUnknown, Unknown, Unknown, Unknown, US 6593292, Unknown, US 20090030178
Tertiary Structure
(Technique)
2249 (PEPstrMOD), 2431 (PEPstrMOD), 2610 (PEPstrMOD), 2956 (PEPstrMOD), 1006 (PEPstrMOD), 1329 (PEPstrMOD), 1496 (PEPstrMOD),