HCV NS5, Biotin

Hepatitis C Virus NS5, Biotin Recombinant
Cat. No.
BT17516
Source
Synonyms
Appearance
Purity
HCV NS5 Biotin protein is >95% pure as determined by 10% PAGE (coomassie staining).
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 Biotin Labeled recombinant protein contains the HCV NS5 immunodominant regions. HCV NS5 antigen (recombinant) a.a 2061 to a.a 2302 of HCV polyprotein. The protein is fused to a GST tag at N-terminus.

Product Specs

Introduction
Hepatitis C virus (HCV) is a small (50nm), enveloped virus with a single-stranded, positive-sense RNA genome. It belongs to the family Flaviviridae. HCV replicates rapidly, producing approximately one trillion particles daily in an infected individual. The virus exhibits a high mutation rate due to the lack of proofreading mechanisms in its RNA polymerase, allowing it to evade the host's immune response effectively. HCV is classified into six genotypes (1-6), each with several subtypes. The distribution and prevalence of these genotypes vary globally. Genotype determination is crucial for treatment as it influences the response to interferon-based therapies. Genotypes 1 and 4 demonstrate lower responsiveness to interferon treatment compared to genotypes 2, 3, 5, and 6.
Description
This recombinant HCV NS5 protein is produced in E. coli and biotinylated. It encompasses the immunodominant regions of the HCV NS5 protein, specifically amino acids 2061 to 2302 of the HCV polyprotein. A GST tag is fused to the N-terminus of the protein.
Purity
The purity of the HCV NS5 Biotin protein exceeds 95%, as determined by 10% SDS-PAGE analysis with Coomassie blue staining.
Formulation
The protein is supplied in a buffer containing 1.5M urea, 25mM Tris-HCl at pH 8.0, 0.2% Triton-X, and 50% glycerol.
Stability
HCV NS5 Biotin protein remains stable for 1 week when stored at 4°C. For long-term storage, it is recommended to store the protein below -18°C. Avoid repeated freeze-thaw cycles.
Applications
The HCV NS5 Biotin antigen is suitable for various applications, including ELISA and Western blots. It serves as an excellent antigen for detecting HCV with minimal cross-reactivity.
Purification Method
HCV NS5 Biotin protein was purified by proprietary chromatographic technique.
Specificity
Immunoreactive with sera of HCV-infected individuals.

Product Science Overview

Introduction to Hepatitis C Virus (HCV)

Hepatitis C Virus (HCV) is a blood-borne pathogen that causes liver inflammation and can lead to severe liver diseases such as cirrhosis and hepatocellular carcinoma . HCV is primarily transmitted through poor blood and organ donation screening procedures and other poor sanitation practices . The virus has a single-stranded positive-sense RNA genome that encodes a single polyprotein, which is processed into at least 11 polypeptides, including structural and nonstructural proteins .

Nonstructural Protein 5 (NS5)

Among the nonstructural proteins, NS5 is a crucial component of the HCV replication complex. It consists of two subunits: NS5A and NS5B . NS5A is a multifunctional phosphoprotein involved in viral replication, assembly, and modulation of host cell processes . NS5B is an RNA-dependent RNA polymerase responsible for viral RNA synthesis .

Recombinant NS5 Proteins

Recombinant NS5 proteins are produced using recombinant DNA technology, which involves inserting the gene encoding NS5 into an expression system, such as bacteria or yeast, to produce the protein in large quantities. These recombinant proteins are used in various applications, including research, diagnostics, and vaccine development .

Biotinylation of NS5 Proteins

Biotinylation is a process of attaching biotin, a vitamin, to proteins. Biotinylated proteins are useful in various biochemical assays due to the strong affinity between biotin and streptavidin, which allows for easy detection and purification of the biotinylated proteins . Biotinylated NS5 proteins can be used in diagnostic assays to detect antibodies against HCV in patient samples, aiding in the diagnosis of HCV infection .

Applications of NS5, Biotin Recombinant
  1. Research: Biotinylated NS5 proteins are used in research to study the interactions between NS5 and other viral or host proteins. This helps in understanding the mechanisms of HCV replication and pathogenesis .
  2. Diagnostics: In diagnostic assays, biotinylated NS5 proteins are used to detect anti-HCV antibodies in patient samples. This is crucial for the early diagnosis and management of HCV infection .
  3. Vaccine Development: Recombinant NS5 proteins are being explored as potential components of HCV vaccines. They can elicit immune responses that may protect against HCV infection .

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