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




DCTPep is developed by Dr.Zheng's team.