Cecropin A (2-8) + Melittin (6-9)

General Information


DCTPep ID  DCTPep00481

Peptide Name   Cecropin A (2-8) + Melittin (6-9)

Sequence  WKLFKKILKVL

Sequence Length  11

UniProt ID  Not available

PubChem CID  76319137 

Origin  Synthetic

Type  Synthetic peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
Raji EBV-related Burkitt lymphoma; Burkitt lymphoma IC50=15 µg/ml MTT assay Not available 1
HeLa Human papillomavirus-related endocervical adenocarcinoma IC50=18 µg/ml MTT assay Not available 1
LNCaP Prostate carcinoma IC50=4 µg/ml MTT assay Not available 1

Hemolytic Activity  Human erythrocytes: 50% Hemolysis=104 µM; 56% Hemolysis=150 µM

Normal (non-cancerous) Cytotoxicity  CHO: 50% Cell death=13 µg/ml

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  Not available

(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  C73H122N16O12

Absent amino acids  ACDEGHMNPQRSTY

Theoretical pI  10.48

Acidic residues  0

Basic residues  4

Polar residues  0

Molecular weight (Average)  1415.87

Molecular weight (Monoisotopic)  1414.94

Common amino acids  K

Net charge  4

Instability index (II)  -17.94

Aliphatic index  168.18

Grand average of hydropathicity (GRAVY)  0.582

Half Life 
  2.8 hours (mammalian reticulocytes, in vitro).
  3 min (yeast, in vivo).
  2 min (Escherichia coli, in vivo).

Extinction coefficients 
  Ext. coefficient 5500
  Abs 0.1% (=1 g/l) 3.885

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 24323118

Title  Investigation of the antibacterial activity of a short cationic peptide against multidrug-resistant Klebsiella pneumoniae and Salmonella typhimurium strains and its cytotoxicity on eukaryotic cells

Doi 10.1007/s11274-013-1575-y

Year  2014

Literature 2

Pubmed ID 16672470

Title  Inhibition of plant-pathogenic bacteria by short synthetic cecropin A-melittin hybrid peptides

Doi 10.1128/AEM.72.5.3302-3308.2006

Year  2006

Literature 3

Pubmed ID 19617390

Title  Sporicidal activity of synthetic antifungal undecapeptides and control of Penicillium rot of apples

Doi 10.1128/AEM.00711-09

Year  2009

Literature 4

Pubmed ID 

Title 

Doi 

Year 

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.