General Information


DRAVP ID  DRAVPe02031

Peptide Name   VIR-576

Sequence  LEAIPCSIPPEFLFGKPFVFLEAIPCSIPPEFLFGKPFVF

Sequence Length  40

UniProt ID  No entry found

Taxon ID  None

Source  Synthetic Construct

Validation   Experimentally Validated



Origin Information


Gene Name/ID  E2 Protein

GenBank  Not Available

Amino Acid position  29 -72 

Domain Accession ID  cd02056 cd02056 

Nucleotide sequence ID  Not Available

Molecular Type  Not Available

Chromosomal Position  Not Available



Activity Information


Target Organism  HIV-1

Assay  inhibition assay 

Activity  Not Avaialble

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  Spike Protein

Mechanism  Not Available



Structure Information


PDB ID  2L6S  2L6T 

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C224H324N42O51S2

Absent amino acids  RNDQHMTWYOU

Common amino acids  EILFP

Mass  4485.41

Pl  4.49

Basic residues  2

Acidic residues  4

Hydrophobic residues 

Net charge  -2

Boman Index 

Hydrophobicity  0.89

Aliphatic Index  97.5

Half Life 

  •     Mammalian:5.5 hours
  •     Yeast:3 min
  •     E.coli:2 min

Extinction Coefficient cystines  125

Absorbance 280nm  0.028

Polar residues 



Literature Information


Literature 1

Title   Peptides derived from a distinct region of GB virus C glycoprotein E2 mediate strain-specific HIV-1 entry inhibition

Pubmed ID   21543477

Reference   Journal of virology, 85(14), 7037–7047

Author   Koedel, Y., Eissmann, K., Wend, H., Fleckenstein, B., & Reil, H. (2011)

DOI   10.1128/JVI.02366-10

Literature 2

Title   Discovery and optimization of a natural HIV-1 entry inhibitor targeting the gp41 fusion peptide

Pubmed ID   17448989

Reference   Cell, 129(2), 263–275

Author   Münch, J., Ständker, L., Adermann, K., Schulz, A., Schindler, M., Chinnadurai, R., Pöhlmann, S., Chaipan, C., Biet, T., Peters, T., Meyer, B.,

DOI   10.1016/j.cell.2007.02.042

Literature 3

Title   Short-term monotherapy in HIV-infected patients with a virus entry inhibitor against the gp41 fusion peptide.

Pubmed ID   21178138

Reference   Science translational medicine, 2(63), 63re3.

Author   Wilhelm, D., Lu, H., Jing, W., Jiang, S., Forssmann, W. G., & Kirchhoff, F.

DOI   10.1126/scitranslmed.3001697