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Key Documents

H0160

Sigma-Aldrich

HIV-1 gag

≥95% (SDS-PAGE), recombinant, expressed in E. coli, Galactosidase-tagged

Synonym(s):

p24 HIV antigen

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About This Item

MDL number:
UNSPSC Code:
12352204
NACRES:
NA.83

recombinant

expressed in E. coli

Quality Level

Assay

≥95% (SDS-PAGE)

mol wt

39 kDa (plus 114 kDa β-Gal tag)

concentration

1 mg/mL

UniProt accession no.

storage temp.

−20°C

Gene Information

human immunodeficiency virus 1 ... gag(155030)

General description

Contains amino acid residues [77-436] of HIV-1 gag antigen.
The human immunodeficiency virus 1 (HIV−1) gag antigen is a recombinant 39 kDa protein encoded by the GAG gene of the human immunodeficiency virus (HIV) type I expressed in and isolated from Escherichia coli. It has a β−galactosidase tag (114 kDa) on the N−terminus. HIV-1 Gag exists as monomers or lower-order oligomers in the cytosol. At the plasma membrane, it forms higher-order multimers.

Application

HIV-1 gag has been used in the coculture with an autologous cluster of differentiation T (CD4+ T) to study the ability of monocyte-derived dendritic cells (MDC1) to induce human immunodeficiency virus 1 (HIV−1) latency reversal (LR).

Biochem/physiol Actions

The human immunodeficiency virus 1 (HIV−1) gag (p24) antigen reacts strongly with HIV positive serum and may be used as a positive control for evaluating antibodies to HIV. At transcription sites, HIV-1 Gag creates ribonucleoprotein complexes with unspliced viral RNA. The HIV-1 Gag protein is accountable for packaging genomic RNA (gRNA) and the assembly of immature viral particles.
Positive control for HIV antibodies.

Physical form

Solution in 8 M urea, 20 mM Tris-HCl, pH 8.0, 10 mM 2-mercaptoethanol.

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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