Rantes Human, His

Rantes Human Recombinant (CCL5), His Tag
Cat. No.
BT22829
Source
Escherichia Coli.
Synonyms
Small inducible cytokine A5, CCL5, T-cell-specific RANTES protein, SIS-delta, T cell- specific protein P228, TCP228, chemokine (C-C motif) ligand 5, SISd, SCYA5, RANTES, D17S136E, MGC17164.
Appearance
Sterile Filtered clear solution.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Usage
Prospec'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

Rantes Human Recombinant produced in E.Coli is single, a non-glycosylated, Polypeptide chain containing 68 amino acids fragment (24-91) having a total molecular mass of 17.5kDa and fused with a 4.5kDa amino-terminal hexahistidine tag.
The Rantes His is purified by proprietary chromatographic techniques.

Product Specs

Introduction
RANTES, also known as CCL5, is an 8 kDa chemokine that attracts T cells, eosinophils, and basophils to inflammation sites. It's involved in leukocyte recruitment, activates certain natural killer (NK) cells to form CHAK cells in the presence of cytokines like IL-2 and IFN-γ, and acts as a HIV-suppressive factor released from CD8+ T cells. This chemokine is located on chromosome 17 in humans.
Description
Recombinant human RANTES, expressed in E. coli, is a non-glycosylated polypeptide chain with 68 amino acids (fragment 24-91). It has a molecular mass of 17.5 kDa due to a 4.5 kDa amino-terminal hexahistidine tag. Purification is achieved using proprietary chromatographic techniques.
Physical Appearance
Clear, sterile-filtered solution.
Formulation
RANTES His-Tag protein is supplied in a solution of 1x PBS and 50% glycerol.
Stability
For short-term storage (2-4 weeks), keep at 4°C. For extended storage, freeze at -20°C. Avoid repeated freeze-thaw cycles.
Purity
Purity exceeds 95.0% as determined by SDS-PAGE analysis.
Synonyms
Small inducible cytokine A5, CCL5, T-cell-specific RANTES protein, SIS-delta, T cell- specific protein P228, TCP228, chemokine (C-C motif) ligand 5, SISd, SCYA5, RANTES, D17S136E, MGC17164.
Source
Escherichia Coli.

Product Science Overview

Definition and Classification

RANTES, also known as CCL5 (C-C motif chemokine ligand 5), is a member of the chemokine family. Chemokines are small cytokines or signaling proteins secreted by cells, and they play a crucial role in immune responses by directing the migration of immune cells to sites of inflammation or injury . RANTES is classified as a beta-chemokine due to its structure and function .

Biological Properties

RANTES is an 8 kDa protein that is chemotactic for T cells, eosinophils, and basophils . It plays a significant role in recruiting leukocytes to inflammatory sites, thereby contributing to the body’s immune response . The recombinant form of RANTES, tagged with a His (histidine) tag, is produced using recombinant DNA technology, which allows for the expression of the protein in host cells such as E. coli or HEK293 cells .

Expression Patterns and Tissue Distribution

RANTES is expressed in various tissues, including the lungs, liver, and spleen. It is produced by a variety of cell types, including T cells, macrophages, and platelets . The expression of RANTES is upregulated in response to inflammatory stimuli, such as cytokines and microbial products .

Biological Functions

RANTES plays a pivotal role in the inflammatory immune response. It attracts and activates leukocytes, including T cells, eosinophils, and basophils, to sites of infection or injury . This chemokine is involved in various physiological and pathological processes, including immune surveillance, wound healing, and the development of inflammatory diseases .

Modes of Action

RANTES exerts its effects by binding to specific receptors on the surface of target cells. The primary receptors for RANTES are CCR1, CCR3, and CCR5, which are G protein-coupled receptors . Upon binding to these receptors, RANTES activates intracellular signaling pathways that lead to the migration and activation of immune cells .

Regulatory Mechanisms

The expression and activity of RANTES are tightly regulated at multiple levels. Transcriptional regulation is influenced by various cytokines and transcription factors that respond to inflammatory signals . Post-translational modifications, such as glycosylation, also play a role in modulating the stability and activity of RANTES .

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