CXADR Human

Coxsackie Virus And Adenovirus Receptor Human Recombinant
Cat. No.
BT3588
Source
Escherichia Coli.
Synonyms
Coxsackie Virus And Adenovirus Receptor, CAR, 46 KD Coxsackievirus And Adenovirus Receptor (CAR) Protein 11, Coxsackievirus B-Adenovirus Receptor, HCVADR, CVB3-Binding Protein, CAR4/6, HCAR.
Appearance
Sterile Filtered clear solution.
Purity
Greater than 90% as determined by SDS-PAGE.
Usage
THE BioTeks 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

CXADR Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 241 amino acids (20-237) and having a molecular mass of 26.0kDa.
CXADR is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
CXADR, a core element of the epithelial apical junction complex, functions as a homophilic cell adhesion molecule and is essential for tight junction integrity. It interacts with AMICA1/JAML, a leukocyte transmembrane protein, to facilitate leukocyte movement across epithelial barriers. Multiple CXADR transcript variants encoding different isoforms have been identified. Pseudogenes of this gene have been mapped to chromosomes 15, 18, and 21.
Description
Recombinant human CXADR, expressed in E. coli, is a single, non-glycosylated polypeptide chain consisting of 241 amino acids (residues 20-237). With a molecular weight of 26.0 kDa, this protein is fused to a 23 amino acid His-tag at the N-terminus and purified using proprietary chromatographic methods.
Physical Appearance
A clear, sterile-filtered solution.
Formulation
The CXADR solution is provided at a concentration of 0.5 mg/ml in a buffer containing 20 mM Tris-HCl (pH 8.0), 0.15 M NaCl, 1 mM DTT, and 10% glycerol.
Stability
For short-term storage (up to 2-4 weeks), the product can be stored at 4°C. For extended storage, it is recommended to freeze the product at -20°C. Adding a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Repeated freezing and thawing should be avoided.
Purity
Purity exceeds 90% as determined by SDS-PAGE analysis.
Synonyms
Coxsackie Virus And Adenovirus Receptor, CAR, 46 KD Coxsackievirus And Adenovirus Receptor (CAR) Protein 11, Coxsackievirus B-Adenovirus Receptor, HCVADR, CVB3-Binding Protein, CAR4/6, HCAR.
Source
Escherichia Coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSLSITTPE EMIEKAKGET AYLPCKFTLS PEDQGPLDIE WLISPADNQK VDQVIILYSG DKIYDDYYPD LKGRVHFTSN DLKSGDASIN VTNLQLSDIG TYQCKVKKAP GVANKKIHLV VLVKPSGARC YVDGSEEIGS DFKIKCEPKE GSLPLQYEWQ KLSDSQKMPT SWLAEMTSSV ISVKNASSEY SGTYSCTVRN RVGSDQCLLR LNVVPPSNKA G.

Product Science Overview

Discovery and Structure

CAR was first identified as a receptor for Coxsackie B viruses and Adenoviruses. The protein is composed of two extracellular domains, a transmembrane domain, and a cytoplasmic tail. The extracellular domains are responsible for binding to the viral particles, facilitating their entry into the host cell .

Biological Functions

CAR is not only a viral receptor but also plays significant roles in normal cellular functions. It is involved in the development of the heart and the lymphatic vasculature system during embryogenesis . Additionally, CAR is implicated in maintaining the integrity of epithelial cell junctions and in the regulation of cell adhesion and signaling .

Role in Viral Infections

CAR serves as the primary entry point for Coxsackie B viruses and Adenoviruses. These viruses bind to the membrane-distal D1 immunoglobulin domain of CAR, which facilitates their entry into the host cell . The interaction between CAR and these viruses is a critical step in the viral life cycle, leading to various diseases such as myocarditis, conjunctivitis, gastroenteritis, pneumonia, and myocarditis .

Recombinant CAR

Recombinant CAR refers to the artificially synthesized version of the CAR protein, which is used in various research and therapeutic applications. Recombinant CAR can be produced using different expression systems, including bacterial, yeast, insect, and mammalian cells. This recombinant protein is utilized in studies to understand the mechanisms of viral entry, to screen for antiviral compounds, and to develop potential therapeutic interventions .

Clinical Implications

The understanding of CAR’s role in viral infections has significant clinical implications. Targeting CAR or its interaction with viruses could lead to the development of novel antiviral therapies. Additionally, CAR’s involvement in maintaining epithelial integrity and its role in embryogenesis make it a potential target for therapeutic interventions in various diseases .

In conclusion, the Coxsackievirus and Adenovirus Receptor is a multifaceted protein with critical roles in both normal cellular functions and viral infections. The recombinant form of CAR continues to be a valuable tool in research, providing insights into viral pathogenesis and potential therapeutic strategies.

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