Ctn[15-34]
General Information
DCTPep ID DCTPep00580
Peptide Name Ctn[15-34]
Sequence KKRLKKIFKKPMVIGVTIPF
Sequence Length 20
UniProt ID U5KJJ0
PubChem CID Not available
Origin Rattlesnake Venom Cathelicidin
Type Native peptide
Classification
Cancer therapy related peptides
Activity Information
Cell Line | Disease | Activity | Assay | Testing Time | Literature |
---|---|---|---|---|---|
HeLa S3 | Breast cancer | IC50>10 µM | Resazurin assay | 4h | 1 |
Hemolytic Activity Human erythrocytes: nonhemolytic up to 400 μM, and their equimolar mixture at that concentration caused only 7% hemolysis
Normal (non-cancerous) Cytotoxicity Human Splenic Fibroblasts (HSF): IC50=12.78±0.33 µg/mL; Endometrial epithelial cells(HEEC): IC50=2.66±0.34 µg/mL; HPDE6c7 Human Pancreatic Duct Epithelial Cell: IC50=3.45±0.20 µg/mL; Normal Human Hepatic Cell (Lo-2): IC50=2.91±0.07 µg/mL; NCM460: IC50=3.04±0.10 µg/mL; CCD-19Lu: IC50=4.76±0.03 µg/mL
Target Not available
Affinity Not available
Mechanism Not available
Structure Information
PDB ID 2MWT
Predicted Structure DCTPep00580
(Please note that there is the predicted structure, predicted by AlphaFold)
Helicity Not available
Linear/Cyclic Linear
Disulfide/Other Bond Not available
N-terminal Modification Free
C-terminal Modification Amidation
Other Modification None
Chiral L
Physicochemical Information
Formula C115H199N29O22S1
Absent amino acids ACDEHNQSWY
Theoretical pI 11.43
Acidic residues 0
Basic residues 7
Polar residues 2
Molecular weight (Average) 2372.09
Molecular weight (Monoisotopic) 2370.51
Common amino acids K
Net charge 7
Instability index (II) 6.2
Aliphatic index 107.00
Grand average of hydropathicity (GRAVY) 0.050
Half Life
1.3 hours (mammalian reticulocytes, in vitro).
3 min (yeast, in vivo).
3 min (Escherichia coli, in vivo).
Extinction coefficients
Should not be visible by UV spectrophotometry.
Amino acid distribution
Literature Information
Literature 1
Pubmed ID 26465972
Title Structural Dissection of Crotalicidin, a Rattlesnake Venom Cathelicidin, Retrieves a Fragment with Antimicrobial and Antitumor Activity
Doi 10.1021/acs.jmedchem.5b01142
Year 2015
Patent
Patent ID Not available
Patent Title Not available
Other Iinformation Not available
Other Published ID Not available