HIV-1 p24 gag

HIV-1 p24 gag Recombinant
Cat. No.
BT22251
Source
Escherichia Coli.
Synonyms
Appearance
Sterile filtered colorless clear solution.
Purity
Greater than 95.0% as determined by HPLC analysis and SDS-PAGE.
Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

The E.coli derived 39 kDa recombinant protein is a non-glycosylated polypeptide chain, containing the HIV-1 p24 gag immunodominant regions, 77-436 amino acids.
The HIV-1 p24 gag is fused to beta-galactosidase (114 kDa).

Product Specs

Introduction
Human immunodeficiency virus (HIV) is a type of virus known as a retrovirus. It attacks the body's immune system, specifically targeting cells called CD4+ T cells, which are crucial for fighting off infections. Over time, HIV can weaken the immune system to a point where it can no longer defend the body effectively, leading to a condition called acquired immunodeficiency syndrome (AIDS). HIV belongs to the Lentivirus genus and the Retroviridae family. These viruses share common characteristics, such as a long incubation period and the ability to cause persistent infections. HIV is composed of single-stranded RNA, which it converts into DNA once inside a host cell. This viral DNA integrates into the host cell's DNA, allowing the virus to replicate. Infection can lead to two outcomes: latency, where the virus remains dormant within the cell, or active replication, where new virus particles are produced and released to infect other cells.
Description
This product consists of a 39 kDa recombinant protein derived from E. coli. It is a non-glycosylated polypeptide chain that encompasses the immunodominant regions of the HIV-1 p24 gag protein, specifically amino acids 77-436. This p24 gag fragment is fused to beta-galactosidase, resulting in a total protein size of 114 kDa.
Physical Appearance
The product appears as a clear, colorless solution that has been sterilized through filtration.
Formulation
The product is supplied in a buffer containing 8M urea, 20mM Tris-HCl at a pH of 8, and 10mM b-mercaptoethanol.
Purity
The purity of this product is greater than 95%, as determined by High-Performance Liquid Chromatography (HPLC) analysis and SDS-PAGE.
Stability
For optimal stability, HIV-1 p24 gag should be stored frozen at a temperature below -18°C. While it can remain stable at 4°C for up to one week, repeated freezing and thawing cycles should be avoided.
Applications
This HIV-1 p24 gag antigen is suitable for use in various immunological assays, including ELISA and Western blots. Its high specificity makes it a valuable tool for the early detection of HIV seroconversion, which refers to the development of detectable antibodies in the blood after HIV infection.
Source
Escherichia Coli.
Amino Acid Sequence

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Specificity
Immunoreactive with all sera of HIV-1 infected individuals.

Product Science Overview

Introduction

The HIV-1 p24 Gag protein is a crucial component of the Human Immunodeficiency Virus type 1 (HIV-1), playing a significant role in the virus’s life cycle. The recombinant form of this protein is widely used in research and diagnostic applications due to its importance in the assembly and maturation of the virus.

Structure and Function

The Gag gene of HIV-1 encodes a precursor polyprotein known as Pr55Gag. This precursor is cleaved by the viral protease to produce several smaller proteins, including p17, p24, p7, and p6 . Among these, p24 is a major structural protein of the viral core, essential for the formation of the virus particle .

Role in Viral Assembly

During the viral assembly process, the p24 protein performs complex tasks, including membrane association and self-association, which ultimately lead to the budding of an immature virion from the infected cell . This process is critical for the production of new virus particles and the spread of the infection.

Diagnostic Applications

The detection of HIV-1 p24 antigen is a key method for the early identification of primary HIV infection. This early detection allows for timely intervention to limit the spread of the virus . Recombinant forms of the p24 protein are used in various diagnostic tests to evaluate their sensitivity and specificity in detecting HIV-1 .

Research Applications

Recombinant HIV-1 p24 Gag proteins are also used extensively in research to study the virus’s structure, function, and interactions with host cells. These studies help in understanding the mechanisms of viral replication and in developing antiviral strategies .

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