SERPING1 Human

Serpin Peptidase Inhibitor, Clade G Member 1 Human Recombinant
Cat. No.
BT24840
Source
E.coli.
Synonyms
C1IN, C1INH, C1NH, HAE1, HAE2 , Plasma protease C1 inhibitor, C1 esterase inhibitor, C1-inhibiting factor, Serpin G1, Name, SERPING1.
Appearance
Sterile Filtered colorless solution.
Purity
Greater than 90% 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

SERPING1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 499 amino acids (23-500a.a) and having a molecular mass of 55.1kDa. SERPING1 is fused to a 21 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Plasma protease C1 inhibitor (SERPING1), a member of the serpin superfamily, plays a crucial role in regulating the complement and contact systems. It achieves this by regulating the activation of complement factor C1 and inhibiting activated C1 by binding to the active catalytic site of C1r and C1s light chains. SERPING1 deficiency leads to hereditary angioedema, characterized by recurring episodes of localized swelling (angioedema) affecting the skin, gastrointestinal mucosa, or upper respiratory mucosa.
Description
Recombinant human SERPING1, produced in E. coli, is a single, non-glycosylated polypeptide chain comprising 499 amino acids (23-500a.a) with a molecular weight of 55.1 kDa. A 21 amino acid His-tag is fused to the N-terminus of SERPING1, and it undergoes purification using proprietary chromatographic techniques.
Physical Appearance
Clear, colorless solution, sterile filtered.
Formulation
SERPING1 protein solution at a concentration of 0.5 mg/ml in 20mM Tris-HCl buffer with a pH of 8.0, 0.4M Urea, and 10% glycerol.
Stability
For short-term storage (2-4 weeks), keep at 4°C. For long-term storage, freeze at -20°C. Adding a carrier protein (0.1% HSA or BSA) is recommended for extended storage. Avoid repeated freeze-thaw cycles.
Purity
Purity exceeding 90% as determined by SDS-PAGE analysis.
Synonyms
C1IN, C1INH, C1NH, HAE1, HAE2 , Plasma protease C1 inhibitor, C1 esterase inhibitor, C1-inhibiting factor, Serpin G1, Name, SERPING1.
Source
E.coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MNPNATSSSS QDPESLQDRG EGKVATTVIS KMLFVEPILE VSSLPTTNST TNSATKITAN TTDEPTTQPT TEPTTQPTIQ PTQPTTQLPT DSPTQPTTGS FCPGPVTLCS DLESHSTEAV LGDALVDFSL KLYHAFSAMK KVETNMAFSP FSIASLLTQV LLGAGENTKT NLESILSYPK DFTCVHQALK GFTTKGVTSV SQIFHSPDLA IRDTFVNASR TLYSSSPRVL SNNSDANLEL INTWVAKNTN NKISRLLDSL PSDTRLVLLN AIYLSAKWKT TFDPKKTRME PFHFKNSVIK VPMMNSKKYP VAHFIDQTLK AKVGQLQLSH NLSLVILVPQ NLKHRLEDME QALSPSVFKA IMEKLEMSKF QPTLLTLPRI KVTTSQDMLS IMEKLEFFDF SYDLNLCGLT EDPDLQVSAM QHQTVLELTE TGVEAAAASA ISVARTLLVF EVQQPFLFVL WDQQHKFPVF MGRVYDPRA.

Product Science Overview

Gene and Protein Structure

The SERPING1 gene is located on chromosome 11 and encodes a highly glycosylated plasma protein . The protein is synthesized in the liver and is involved in the regulation of the complement cascade by inhibiting activated C1r and C1s of the first complement component . This inhibition is essential for controlling the activation of the complement system, which is a part of the immune response.

Function and Mechanism

The primary function of C1 Inhibitor is to form a proteolytically inactive stoichiometric complex with the C1r or C1s proteases . This action prevents the uncontrolled activation of the complement system, which could otherwise lead to tissue damage and inflammation. Additionally, C1 Inhibitor is a very efficient inhibitor of FXIIa, chymotrypsin, and kallikrein .

Clinical Significance

Deficiency or dysfunction of C1 Inhibitor is associated with a condition known as hereditary angioedema (HAE) . HAE is characterized by recurrent episodes of severe swelling (angioedema) in various parts of the body, including the extremities, face, gastrointestinal tract, and airway. This condition can be life-threatening if it leads to airway obstruction.

Recombinant C1 Inhibitor

Human recombinant C1 Inhibitor is produced using recombinant DNA technology, which allows for the production of the protein in a controlled environment. This recombinant form is used therapeutically to treat patients with HAE by providing a functional C1 Inhibitor to regulate the complement system and prevent angioedema attacks.

Research and Applications

Research on SERPING1 and its encoded protein continues to expand our understanding of its role in various physiological processes and its potential therapeutic applications. The recombinant form of C1 Inhibitor is also being explored for its use in other conditions where complement activation plays a role, such as certain autoimmune diseases and inflammatory conditions.

In summary, Serpin Peptidase Inhibitor, Clade G Member 1 (Human Recombinant) is a vital protein with significant roles in immune regulation and clinical applications, particularly in the treatment of hereditary angioedema.

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