MBL2 Human, Sf9

Mannose-Binding Lectin 2 Human Recombinant, Sf9
Cat. No.
BT23234
Source
Sf9, Baculovirus cells.
Synonyms

Mannose Binding Lectin 2, Mannose-Binding Lectin (Protein C) 2, Soluble (Opsonic Defect), Collectin-1, COLEC1, MBP-C, MBP1, MBL, Mannose-Binding Lectin 2, Soluble (Opsonic Defect), Mannose-Binding Lectin (Protein C) 2, Soluble, Mannose-Binding Protein C, Mannan-Binding Protein, Mannose-Binding Lectin, Mannan-Binding Lectin, HSMBPC, MBL2D, MBPD, MBP.                

Appearance
Sterile Filtered colorless solution.
Purity

Greater than 90.0% 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

MBL2 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 237 amino acids (21-248a.a.) and having a molecular mass of 25.1kDa. (Molecular size on SDS-PAGE will appear at approximately 28-40kDa). MBL2 is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Product Specs

Introduction
Mannose-binding protein C (MBL2) is a key part of the innate immune system, belonging to the collectin family of pattern recognition molecules. This secreted glycoprotein identifies and binds to mannose and N-acetylglucosamine present on the surface of various microorganisms, leading to the activation of the classical complement pathway. Deficiencies in MBL2 have been linked to increased vulnerability to autoimmune disorders and infectious diseases.
Description
Produced in Sf9 Baculovirus cells, MBL2 is a single, glycosylated polypeptide chain consisting of 237 amino acids (21-248a.a.). With a molecular mass of 25.1kDa, it appears as approximately 28-40kDa on SDS-PAGE. The MBL2 protein is expressed with a 6 amino acid His tag at its C-Terminus and undergoes purification using proprietary chromatographic techniques.
Physical Appearance
A sterile, colorless, and filtered solution.
Formulation
The MBL2 protein solution is provided at a concentration of 1mg/ml and contains Phosphate Buffered Saline (pH 7.4) along with 10% glycerol.
Stability
For short-term storage (2-4 weeks), the solution should be kept at 4°C. For extended storage, it's recommended to freeze the solution at -20°C. To ensure optimal stability during long-term storage, consider adding a carrier protein like 0.1% HSA or BSA. Avoid repeated freeze-thaw cycles to maintain protein integrity.
Purity
The purity of MBL2 is greater than 90.0% as determined by SDS-PAGE analysis.
Synonyms

Mannose Binding Lectin 2, Mannose-Binding Lectin (Protein C) 2, Soluble (Opsonic Defect), Collectin-1, COLEC1, MBP-C, MBP1, MBL, Mannose-Binding Lectin 2, Soluble (Opsonic Defect), Mannose-Binding Lectin (Protein C) 2, Soluble, Mannose-Binding Protein C, Mannan-Binding Protein, Mannose-Binding Lectin, Mannan-Binding Lectin, HSMBPC, MBL2D, MBPD, MBP.                

Source
Sf9, Baculovirus cells.
Amino Acid Sequence

ADPETVTCED AQKTCPAVIA CSSPGINGFP GKDGRDGTKG EKGEPGQGLR GLQGPPGKLG PPGNPGPSGS PGPKGQKGDP GKSPDGDSSL AASERKALQT EMARIKKWLT FSLGKQVGNK FFLTNGEIMT FEKVKALCVK FQASVATPRN AAENGAIQNL IKEEAFLGIT DEKTEGQFVD LTGNRLTYTN WNEGEPNNAG SDEDCVLLLK NGQWNDVPCS TSHLAVCEFP IHHHHHH

Product Science Overview

Introduction

Mannose-Binding Lectin 2 (MBL2) is a crucial protein in the human immune system, playing a significant role in the innate immune response. It is a member of the multimeric lectin family and is known for its ability to recognize and bind to specific carbohydrate patterns on the surface of pathogens, facilitating their clearance from the body.

Structure and Function

MBL2 is a soluble C-type lectin produced primarily in the liver. It has an oligomeric protein structure with multiple carbohydrate recognition domains (CRDs) that bind to repetitive carbohydrate structures on the surface of pathogens . This binding triggers a series of immune responses, including complement activation, phagocytosis, and agglutination, which help in the elimination of the pathogens .

Role in Immunity

MBL2 is a key molecule in the lectin pathway of the complement system, one of the three pathways that activate the complement system. Upon binding to pathogen-associated molecular patterns (PAMPs), MBL2 activates the complement cascade, leading to the opsonization and lysis of the pathogens . This process is crucial for the first line of defense against infections, particularly in individuals with compromised adaptive immunity.

Recombinant MBL2 Production

Human recombinant MBL2 is produced using the Sf9 insect cell expression system. This system is widely used for the production of recombinant proteins due to its ability to perform post-translational modifications similar to those in mammalian cells. The recombinant MBL2 produced in Sf9 cells retains its functional properties, making it suitable for research and therapeutic applications.

Clinical Significance

MBL2 gene polymorphisms are associated with varying levels of MBL2 in the blood, which can influence susceptibility to infections and autoimmune diseases . Low levels of MBL2 have been linked to an increased risk of infections, while high levels may contribute to autoimmune conditions. Recent studies have also explored the potential of MBL2 as a therapeutic target for diseases such as hepatocellular carcinoma (HCC), where increasing MBL2 levels could inhibit tumor growth and metastasis .

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