FRZB Human, Sf9

Frizzled-Related Protein Human Recombinant, Sf9
Cat. No.
BT10253
Source

Sf9, Baculovirus cells.

Synonyms

Secreted frizzled-related protein 3, sFRP-3, Frezzled, Fritz, Frizzled-related protein 1, FrzB-1, FRZB, FIZ, FRE, FRP, FRZB1, SFRP3, OS1, FZRB, hFIZ, FRP-3, SFRP3, SRFP3, FRZB-PEN.

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

FRZB produced in Sf9 Insect cells is a single, glycosylated polypeptide chain containing 302 amino acids (33-325 a.a.) and having a molecular mass of 34.2kDa (Molecular size on SDS-PAGE will appear at approximately 28-40kDa).
FRZB is expressed with a 9 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Product Specs

Introduction

Frizzled-Related Protein (FRZB), a secreted protein, plays a crucial role in regulating bone development. Genetic defects in the FRZB gene are linked to a higher susceptibility to osteoarthritis (OA), particularly in females. Soluble frizzled-related proteins (sFRPS), including FRZB, modulate Wnt signaling pathways by directly interacting with Wnt proteins. These sFRPS are essential for controlling cell growth and differentiation in specific cell types. FRZB, also known as SFRP3, is involved in limb skeletogenesis, regulating chondrocyte maturation, and long bone development.

Description

Produced in Sf9 insect cells, FRZB is a single, glycosylated polypeptide chain consisting of 302 amino acids (33-325 a.a.). It has a molecular mass of 34.2kDa. Note that on SDS-PAGE, the apparent molecular size might appear between 28-40kDa. This FRZB protein is expressed with a 9 amino acid His tag at the C-terminus and undergoes purification using proprietary chromatographic techniques.

Physical Appearance
Sterile Filtered, clear and colorless solution.
Formulation

The FRZB solution is provided at a concentration of 0.25mg/ml in Phosphate Buffered Saline (pH 7.4) with 10% glycerol.

Stability
For short-term storage (2-4 weeks), the FRZB solution should be kept at 4°C. For extended storage, it is recommended to freeze the solution at -20°C. To ensure long-term stability during frozen storage, consider adding a carrier protein (0.1% HSA or BSA). It is important to avoid repeated freeze-thaw cycles to maintain protein integrity.
Purity

The purity of FRZB is greater than 90% as determined by SDS-PAGE analysis.

Synonyms

Secreted frizzled-related protein 3, sFRP-3, Frezzled, Fritz, Frizzled-related protein 1, FrzB-1, FRZB, FIZ, FRE, FRP, FRZB1, SFRP3, OS1, FZRB, hFIZ, FRP-3, SFRP3, SRFP3, FRZB-PEN.

Source

Sf9, Baculovirus cells.

Amino Acid Sequence

ADPAACEPVR IPLCKSLPWN MTKMPNHLHH STQANAILAI EQFEGLLGTH CSPDLLFFLC AMYAPICTID FQHEPIKPCK SVCERARQGC EPILIKYRHS WPENLACEEL PVYDRGVCIS PEAIVTADGA DFPMDSSNGN CRGASSERCK CKPIRATQKT YFRNNYNYVI RAKVKEIKTK CHDVTAVVEV KEILKSSLVN IPRDTVNLYT SSGCLCPPLN VNEEYIIMGY EDEERSRLLL VEGSIAEKWK DRLGKKVKRW DMKLRHLGLS KSDSSNSDST QSQKSGRNSN PRQARNHHHH HH.

Product Science Overview

Structure and Expression

FRZB is a secreted glycoprotein that consists of 302 amino acids and has a molecular mass of approximately 34.2 kDa . The recombinant form of FRZB is produced in Sf9 insect cells using the baculovirus expression system. This recombinant protein is expressed with a 9 amino acid His tag at the C-terminus, which facilitates its purification through chromatographic techniques .

Function and Biological Role

FRZB functions as a modulator of the Wnt signaling pathway by directly interacting with Wnt proteins. This interaction inhibits the Wnt signaling, which is crucial for regulating cell growth and differentiation in specific cell types . FRZB is particularly involved in the regulation of bone development and chondrocyte maturation. It plays a significant role in limb skeletogenesis and long bone development .

Clinical Significance

Mutations or defects in the FRZB gene have been associated with female-specific osteoarthritis (OA) susceptibility . This highlights the importance of FRZB in maintaining bone health and its potential as a therapeutic target for bone-related disorders.

Production and Purification

The recombinant FRZB protein produced in Sf9 insect cells is a single, glycosylated polypeptide chain. The production process involves the use of baculovirus vectors to infect the Sf9 cells, leading to the expression of the FRZB protein. The protein is then purified using proprietary chromatographic techniques to achieve a purity level greater than 90% as determined by SDS-PAGE .

Storage and Stability

The FRZB protein solution is formulated in phosphate-buffered saline (PBS) with 10% glycerol and is sterile-filtered to ensure its stability and sterility. For short-term storage, the protein can be kept at 4°C for 2-4 weeks. For long-term storage, it is recommended to store the protein at -20°C with the addition of a carrier protein such as 0.1% human serum albumin (HSA) or bovine serum albumin (BSA) to prevent degradation .

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