General Information


DRAVP ID  DRAVPe00332

Peptide Name   GF-17

Sequence  GFKRIVQRIKDFLRNLV

Sequence Length  17

UniProt ID  No entry found

Source  Synthetic construct(derived from LL-37)



Activity Information


Target Organism  HIV, EBOV

Assay  Plaque assay

Activity 

  • [Ref.20086159]HIV-1 IIIB:inhibition the cytopathic effects of HIV-1 infection in CEM-SS cells(EC50=0.76 μM);
  • [Ref.18591279]HIV-1IIIB:inhibition the cytopathic effect of HIV in CEM-SS cells(EC50=0.98 μM).(EC50:50% effective concentration for inhibition of virus replication);
  • [Ref.32252021]Ebola Virus(EBOV):inhibition of viral infection in Hela cells(IC50=10.1 µM);inhibition of viral infection in primary macrophages(IC50>20 µM).

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

Cytotoxicity 

  • [Ref.20086159]CEM-SS cells:50% Cell death at 10.8 µM.
  • [Ref.18591279]CEM-SS cells:TC50=8.9 μM.(TC50:the concentration that reduced cell viability by 50%)

Binding Target  Not found

Mechanism  Act as CatB inhibitors to block the endosomal processing of EBOV GP, thus preventing virus entry.



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe00332

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Amidation

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C97H164N30O22

Absent amino acids  ACEHMPSTWY

Common amino acids  R

Mass  2102.56

Pl  11.72

Basic residues  5

Acidic residues  1

Hydrophobic residues  8

Net charge  4

Boman Index  -4210

Hydrophobicity  -9.41

Aliphatic Index  125.88

Half Life 

  •     Mammalian:30 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  2



Literature Information


Literature 1

Title   Identification of novel human immunodeficiency virus type 1-inhibitory peptides based on the antimicrobial peptide database.

Pubmed ID   20086159

Reference   Antimicrob Agents Chemother. 2010 Mar;54(3):1343-6.

Author   Wang G, Watson KM, Peterkofsky A, Buckheit RW Jr.

DOI   10.1128/AAC.01448-09

Literature 2

Title   Anti-human immunodeficiency virus type 1 activities of antimicrobial peptides derived from human and bovine cathelicidins.

Pubmed ID   18591279

Reference   Antimicrob Agents Chemother. 2008 Sep;52(9):3438-40. 

Author   Wang G, Watson KM, Buckheit RW Jr. 

DOI   10.1128/AAC.00452-08

Literature 3

Title   Engineered Human Cathelicidin Antimicrobial Peptides Inhibit Ebola Virus Infection.

Pubmed ID   32252021

Reference   iScience. 2020 Apr 24;23(4):100999.

Author   Yu Y, Cooper CL, Wang G, Morwitzer MJ, Kota K, Tran JP, Bradfute SB, Liu Y, Shao J, Zhang AK, Luo LG, Reid SP, Hinrichs SH, Su K.

DOI   10.1016/j.isci.2020.100999