General Information


DRAVP ID  DRAVPe00395

Peptide Name   Pentadecanoic-Temporin L[Pro3,DLeu9,Nle10](TL6.7)

Sequence  FVPWFSKFlXRIL

Sequence Length  13

UniProt ID  No entry found

Source  Synthetic construct(derived from Temporin-L)



Activity Information


Target Organism  SARS-CoV-2,HSV, MeV,H1N1

Assay 

Activity 

  • [Ref.35216177]HSV-1:inhibition of HSV-1 replication in Vero cells(IC50=2.48 μM,IC90=4.86 μM);
  • SARS-CoV-2:inhibition of replication in Vero cells(IC50=0.48 μM μM,IC90=7.86 μM);
  • Measles virus(MeV):inhibition of MeV replication in VERO/hSLAM cells(IC50=37.77 μM μM,IC90>50.00 μM);
  • influenza virus(H1N1,VR-1894):inhibition of replication in MDKC cells(IC50=3.48 μM,IC90=7.10 μM).

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

Cytotoxicity 

  • [Ref.35216177]Vero cells:CC50>100.00 μM

Binding Target  membrane

Mechanism  TL peptides may be able to selectively induce pore formation in highly curved membrane structures (below ~250 nm in diameter), resulting in membrane lysis once a critical number of pores is formed, with the consequence of viral infectivity reduction.



Structure Information


PDB ID  None

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Linear

N-terminal Modification  Pentadecanoic acid

C-terminal Modification  Amidation

Other Modification  The 'X' at position 10 is norleucine.

Stereochemistry  Mixed(D-Leu9)



Physicochemical Information


Formula  C75H102N16O11

Absent amino acids  ACDEGHMNQTY

Common amino acids  F

Mass  1664.26

Pl  11

Basic residues  2

Acidic residues  0

Hydrophobic residues  7

Net charge  2

Boman Index  128

Hydrophobicity  70.77

Aliphatic Index  82.31

Half Life 

  •     Mammalian:1.1 hour
  •     Yeast:3 min
  •     E.coli:2 min

Extinction Coefficient cystines  5500

Absorbance 280nm  458.33

Polar residues  1



Literature Information


Literature 1

Title   Broad-Spectrum Antiviral Activity of the Amphibian Antimicrobial Peptide Temporin L and Its Analogs.

Pubmed ID   35216177

Reference   Int J Mol Sci. 2022 Feb 13;23(4):2060.

Author   Zannella C, Chianese A, Palomba L, Marcocci ME, Bellavita R, Merlino F, Grieco P, Folliero V, De Filippis A, Mangoni M, Nencioni L, Franci G, Galdiero M. 

DOI   10.3390/ijms23042060