1. Anti-infection
  2. HIV
  3. Enfuvirtide


Cat. No.: HY-P0052 Purity: 95.73%
Handling Instructions

Enfuvirtide is an anti-HIV-1 fusion inhibitor peptide.

For research use only. We do not sell to patients.

Custom Peptide Synthesis

Enfuvirtide Chemical Structure

Enfuvirtide Chemical Structure

CAS No. : 159519-65-0

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5 mg USD 72 In-stock
Estimated Time of Arrival: December 31
10 mg USD 108 In-stock
Estimated Time of Arrival: December 31
25 mg USD 228 In-stock
Estimated Time of Arrival: December 31
50 mg USD 408 In-stock
Estimated Time of Arrival: December 31
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Based on 1 publication(s) in Google Scholar

Other Forms of Enfuvirtide:

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Enfuvirtide is an anti-HIV-1 fusion inhibitor peptide.

IC50 & Target

HIV fusion[1]

In Vitro

A cell-cell fusion assay reveals that the effective concentration for achieving 50% inhibition (IC50) of Enfuvirtide is 23 ± 6 nM[2]. IFN-λs (1, 2, or 3) or the antiretrovirals (AZT, Efavirenz, Indinavir, and Enfuvirtide) significantly inhibita the expression of HIV p24 antigen and Gag gene in macrophages. IFN-λs (1, 2, or 3) also enhanced the anti-HIV (Bal) effect of AZT, Efavirenz, Indinavir, and Enfuvirtide[3].

In Vivo

Enfuvirtide has a T1/2 of 3.8 h[2].

Clinical Trial
Molecular Weight








Sequence Shortening



Room temperature in continental US; may vary elsewhere.

Powder -80°C 2 years
  -20°C 1 year
In solvent -80°C 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

H2O : < 0.1 mg/mL (insoluble)

Animal Administration

For infection with the resistant HIV strains, 7-day-cultured macrophages (105 cells/well in 96-well plates) are incubated with or without IFN-λ1, λ2, or λ3 (100 ng/mL each) and/or anti-HIV drugs: Azidothymidine (AZT) 10 pM; Efavirenz 100 pM; Indinavir 10-3 pM, and Enfuvirtide 10 nM for 24 h. Cells are then infected with different strains of HIV (6 ng p24/well) for 2 h. After washed three times with plain DMEM, cells are cultured with fresh 10% DMEM containing IFN-λs and/or antiretroviral drugs. For HIV Bal infection, culture supernatant is harvested at day 8 post infection for RT and p24 assays. Infected and untreated cells served as controls. HIV Gag gene expression in infected cells is also examined at day 8 post infection. For anti-HIV drug-resistant virus (A012 G691-6 or TC49) infection, culture supernatant is harvested for HIV p24 protein by ELISA at days 3, 5, 7, and 10 postinfection. The cell cultures are replaced with the fresh media supplemented with IFN-λ1, λ2, or λ3 and/or the antiretrovirals every 2–3 days. The culture supernatant collected at day 10 postinfection is also subjected to RT assay[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

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EnfuvirtideHIVHuman immunodeficiency virusInhibitorinhibitorinhibit

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