General Information


DRAVP ID  DRAVPe02315

Peptide Name   EBOV-4

Sequence  DWTKNIKDKIDKIIHDFVDK

Sequence Length  20

UniProt ID  No entry found

Taxon ID  None

Source  Cholesterol-conjugated synthetic peptide

Validation   Experimentally Validated



Origin Information


Gene Name/ID  Not Available

GenBank  Not Available

Amino Acid position  Not Available

Domain Accession ID  Not Available

Nucleotide sequence ID  Not Available

Molecular Type  Not Available

Chromosomal Position  Not Available



Activity Information


Target Organism  EBOV

Assay  Not Available

Activity 

  • [Ref:31473342]EBOV:EC50 = 6.29 plusminus 0.66 microM, 8.10 plusminus 0.63 microM, 6.67 plusminus 0.89 microM, 9.04 plusminus 1.23 microM; EC90 = 19.41 microM, 24.79 microM

Hemolytic Activity  No hemolysis information or data found in the reference(s) presented in this entry

Cytotoxicity 

  • [Ref:31473342]EBOV-4 show cytotoxicity (CC50) at greater than 30 microM.

Binding Target  Glycoprotein.

Mechanism  Exact MoA explicitly not available (may interfere with the binding of the Ebola virus glycoprotein to host cell receptors, thereby preventing viral entry into host cells).



Structure Information


PDB ID  None

Predicted Structure Download 

Linear/Cyclic  Cyclic

N-terminal Modification  cholesterylation

C-terminal Modification  PEG4

Other Modification  In the peptide sequence, the cysteine residue at position 21 is modified with a PEG4-cholesterol (PEG4-Chol) moiety.

Stereochemistry  L



Physicochemical Information


Formula  C113H179N29O33

Absent amino acids  ACEGLMOPQRSUY

Common amino acids  DK

Mass  2471.84

Pl  6.75

Basic residues  5

Acidic residues  5

Hydrophobic residues  7

Net charge  0

Boman Index  2.8

Hydrophobicity  -1.015

Aliphatic Index  92.5

Half Life 

  •     Mammalian:1.1hours
  •     Yeast:3min
  •     E.coli:>10hours

Extinction Coefficient cystines  5500

Absorbance 280nm  2.225

Polar residues  13



Literature Information


Literature 1

Title   Cholesterol-conjugated stapled peptides inhibit Ebola and Marburg viruses in vitro and in vivo

Pubmed ID   31473342

Reference   Antiviral Res. 2019;171:104592. 

Author   Pessi A, Bixler SL, Soloveva V, et al

DOI   10.1016/j.antiviral.2019.104592