EBV p18 M

Epstein -Barr virus (HHV-4) p18 Mosaic Recombinant
Cat. No.
BT6454
Source
Escherichia Coli.
Synonyms
Appearance
Purity
EBV-p18 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.
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In Stock

Description

The E.Coli derived recombinant artificial mosaic protein contains two epitopes from C-end associated in one molecule from the HHV-4 p18 regions.

Product Specs

Introduction
Epstein-Barr virus (EBV), also known as Human herpes virus 4 (HHV-4), belongs to the herpes family, which includes Herpes simplex virus and Cytomegalovirus. Upon infection of B-lymphocytes, the linear virus genome becomes circular, persisting as an episome within the cell. EBV exhibits distinct gene expression programs categorized as lytic or latent cycles. The lytic cycle, or productive infection, involves staged expression of viral proteins, ultimately producing infectious virions. This phase doesn't always lead to host cell lysis, as virions bud from the infected cell. Latent (lysogenic) cycles don't produce virions but express a limited set of viral proteins, including Epstein-Barr nuclear antigens (EBNA)-1, -2, -3A, -3B, -3C, and -leader protein (EBNA-LP), latent membrane proteins (LMP)-1, -2A, and -2B, and Epstein-Barr encoded RNAs (EBERs).
Description
This recombinant artificial mosaic protein, derived from E. coli, combines two epitopes from the C-terminus of HHV-4 p18 regions within a single molecule.
Purity
The purity of the EBV-p18 protein exceeds 95%, as determined by 10% PAGE (coomassie staining).
Formulation
The protein is supplied in a buffer containing 50mM Tris-Hcl (pH 8.0), 60mM NaCl, 10mM glutathione, and 50% glycerol.
Stability
While EBV p18 M remains stable at 4°C for up to one week, it is recommended to store the protein below -18°C to ensure its long-term stability. Repeated freeze-thaw cycles should be avoided.
Applications
The EBV-p18 Mosaic antigen is suitable for use in ELISA and Western blot assays. It is an excellent antigen for detecting HHV-4 (EBV) with minimal specificity issues.
Source
Escherichia Coli.
Purification Method
EBV-p18 Mosaic was purified by proprietary chromatographic technique.
Specificity
Immunoreactive with sera of EBV-infected individuals.

Product Science Overview

Introduction

The Epstein-Barr virus (EBV), also known as Human Herpesvirus 4 (HHV-4), is a member of the herpesvirus family. It is one of the most common viruses in humans and is best known for causing infectious mononucleosis, also known as “mono” or the “kissing disease.” EBV is also associated with various types of cancers, including Burkitt’s lymphoma, Hodgkin’s lymphoma, and nasopharyngeal carcinoma.

EBV p18 Protein

The p18 protein is a structural protein encoded by the EBV. It plays a crucial role in the virus’s ability to infect and replicate within host cells. The p18 protein is part of the viral capsid, which is the protein shell that encases the viral DNA. This protein is essential for the assembly and stability of the virus particle.

Recombinant p18 Protein

Recombinant proteins are proteins that are artificially produced through recombinant DNA technology. This involves inserting the gene encoding the protein of interest into a host organism, such as bacteria or yeast, which then produces the protein. The recombinant p18 protein from EBV is typically produced in E. coli bacteria.

Mosaic Recombinant p18 Protein

The term “mosaic” in the context of recombinant proteins refers to a protein that contains sequences from multiple different sources. In the case of the EBV p18 mosaic recombinant protein, it contains epitopes from different regions of the p18 protein. This design can enhance the protein’s immunogenicity, making it more effective for use in research and diagnostic applications.

Production and Purification

The production of the EBV p18 mosaic recombinant protein involves several steps:

  1. Gene Cloning: The gene encoding the p18 protein is cloned into an expression vector, which is then introduced into E. coli bacteria.
  2. Protein Expression: The bacteria are cultured under conditions that induce the expression of the p18 protein.
  3. Protein Purification: The expressed protein is purified from the bacterial cells using techniques such as affinity chromatography. The purified protein is often fused to a tag, such as a GST (glutathione S-transferase) tag, to facilitate purification and detection.
Applications

The EBV p18 mosaic recombinant protein has several applications in research and diagnostics:

  • Serological Assays: It is used in serological assays to detect antibodies against EBV in patient samples. This is important for diagnosing EBV infections and monitoring immune responses.
  • Vaccine Development: The protein can be used as an antigen in the development of vaccines against EBV.
  • Research: It is used in various research studies to understand the structure and function of the EBV p18 protein and its role in the virus’s life cycle.

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