LGALS3 Mouse

Galectin-3 Mouse Recombinant
Cat. No.
BT10832
Source
E.coli.
Synonyms
CBP35, GAL3, GALBP, GALIG, LGALS2, MAC2, Galectin-3, Lectin, galactose binding, soluble 3, Lectin, galactose binding, soluble 3, isoform CRA_a, Lectin, galactose binding, soluble 3, isoform CRA_d, Lgals3.
Appearance
Sterile Filtered colorless solution.
Purity
Greater than 95% as determined by 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

LGALS3 Mouse Recombinant produced in E. coli is a single polypeptide chain containing 287 amino acids (1-264) and having a molecular mass of 29.8 kDa. LGALS3 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Galectin-3 is a protein that interacts with the alpha-3, beta-1 integrin to mediate the stimulation of endothelial cell migration by cspg4. It plays a crucial role in the development of vasculogenic mimicry and angiogenic properties associated with melanoma progression. High levels of LGALS3, the gene encoding galectin-3, are found in early stages of papillary carcinoma, with expression decreasing as the tumor progresses. Elevated serum levels of LGALS3 are observed in patients with thyroid malignancy, but there is significant overlap in LGALS3 concentrations between individuals with benign and malignant nodular thyroid disease. LGALS3 acts as an immune regulator, suppressing T-cell immune responses and promoting tumor growth, thereby contributing to tumor immune tolerance.
Description
Recombinant LGALS3 Mouse protein, produced in E. coli, is a single polypeptide chain with a molecular weight of 29.8 kDa. It consists of 287 amino acids, including a 23 amino acid His-tag fused to the N-terminus (amino acids 1-264). The protein is purified using proprietary chromatographic techniques.
Physical Appearance
A clear, sterile solution without any color.
Formulation
The LGALS3 solution is provided at a concentration of 0.5mg/ml in a buffer containing 20mM Tris-HCl (pH 8.0), 0.15M NaCl, 50% glycerol, 1mM DTT, and 2mM EDTA.
Stability
For short-term storage (2-4 weeks), keep at 4°C. For extended storage, freeze at -20°C. Adding a carrier protein like HSA or BSA (0.1%) is recommended for long-term storage. Avoid repeated freezing and thawing cycles.
Purity
The purity of the LGALS3 protein is greater than 95% as determined by SDS-PAGE analysis.
Synonyms
CBP35, GAL3, GALBP, GALIG, LGALS2, MAC2, Galectin-3, Lectin, galactose binding, soluble 3, Lectin, galactose binding, soluble 3, isoform CRA_a, Lectin, galactose binding, soluble 3, isoform CRA_d, Lgals3.
Source
E.coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMADSFSL NDALAGSGNP NPQGYPGAWG NQPGAGGYPG AAYPGAYPGQ APPGAYPGQA PPGAYPGQAP PSAYPGPTAP GAYPGPTAPG AYPGSTAPGA FPGQPGAPGA YPSAPGGYPA AGPYGVPAGP LTVPYDLPLP GGVMPRMLIT IMGTVKPNAN RIVLDFRRGN DVAFHFNPRF NENNRRVIVC NTKQDNNWGK EERQSAFPFE SGKPFKIQVL VEADHFKVAV NDAHLLQYNH RMKNLREISQ LGISGDITLT SANHAMI.

Product Science Overview

Introduction

Galectin-3, also known as Mac-2, L29, CBP35, and epsilon BP, is a member of the galectin family of proteins. These proteins are characterized by their ability to bind specifically to β-galactosides through a conserved carbohydrate recognition domain (CRD). Galectin-3 is unique among galectins due to its chimeric structure, which includes one CRD linked to a non-lectin domain .

Structure and Function

Galectin-3 is a multifunctional protein involved in various cellular processes, including cell adhesion, cell activation, chemoattraction, cell growth and differentiation, cell cycle regulation, and apoptosis . The protein’s ability to bind to β-galactosides is crucial for its role in these processes. The CRD of galectin-3 consists of approximately 130 amino acids, enabling specific binding to β-galactosides .

Recombinant Production

Recombinant mouse galectin-3 is typically produced using E. coli or HEK293 cells as expression systems . The recombinant protein is purified to a high degree of purity, often exceeding 95%, as determined by SDS-PAGE and visualized with silver staining or Coomassie Blue staining . The endotoxin level is kept below 1.0 EU per microgram of protein, ensuring its suitability for various experimental applications .

Applications

Recombinant mouse galectin-3 is widely used in research to study its role in various biological processes. It has been shown to agglutinate human red blood cells, with an effective dose (ED50) ranging from 5 to 20 µg/mL . Additionally, it supports the adhesion of mouse helper T cells, with an ED50 of 1-5 µg/mL . These properties make recombinant galectin-3 a valuable tool for studying cell-cell interactions, immune responses, and other cellular functions.

Storage and Stability

Recombinant mouse galectin-3 is typically lyophilized from a filtered solution containing various stabilizing agents such as PBS, EDTA, and DTT . The lyophilized protein should be reconstituted at a concentration of 200-250 µg/mL in sterile PBS or water, depending on the specific formulation . The protein is stable for up to 12 months when stored at -20 to -70°C and for up to 3 months at 2 to 8°C under sterile conditions after reconstitution .

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