General Information


DRAVP ID  DRAVPe01222

Peptide Name   C4b(FIV ectodomain 774-777)

Sequence  VRWI

Sequence Length  4

UniProt ID  P16090 

Source  Synthetic construct(derived from the Membrane-Proximal Ectodomain of Feline Immunodeficiency Virus)



Activity Information


Target Organism  FIV

Assay  enzyme-linked immunosorbent assay(ELISA)

Activity 

  • [Ref.12610147]FIV-M2(Feline immunodeficiency virus M2):inhibition of virus replication in MBM cells(IC50=7.80 µg/ml);
  • FIV-Pet(Feline immunodeficiency virus Pet):inhibition of virus replication in MBM cells(IC50=4.06 µg/ml).

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

Cytotoxicity  No cytotoxicity information found in the reference(s) presented

Binding Target  Not found

Mechanism  No machanism information found in the reference(s) presented in this entry



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe01222

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C28H44N8O5

Absent amino acids  ACDEFGHKLMNPQSTY

Common amino acids  IRVW

Mass  572.71

Pl  9.72

Basic residues  1

Acidic residues  0

Hydrophobic residues  3

Net charge  1

Boman Index  -363

Hydrophobicity  82.5

Aliphatic Index  170

Half Life 

  •     Mammalian:100 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  5500

Absorbance 280nm  1833.33

Polar residues  0



Literature Information


Literature 1

Title   Antiviral activity and conformational features of an octapeptide derived from the membrane-proximal ectodomain of the feline immunodeficiency virus transmembrane glycoprotein.

Pubmed ID   12610147

Reference   J Virol. 2003 Mar;77(6):3724-33.

Author   Giannecchini S, Di Fenza A, D'Ursi AM, Matteucci D, Rovero P, Bendinelli M.

DOI   10.1128/jvi.77.6.3724-3733.2003