CGREF1 Human

Cell Growth Regulator With EF-Hand Domain 1 Human Recombinant
Cat. No.
BT30281
Source
Escherichia Coli.
Synonyms
Cell Growth Regulator With EF-Hand Domain 1, Cell Growth Regulatory Gene 11 Protein, Hydrophobestin, CGR11, Cell Growth Regulator With EF Hand Domain Protein 1, Cell Growth Regulator With EF Hand Domain 1, Cell growth regulator with EF hand domain protein 1.
Appearance
Sterile filtered colorless solution.
Purity
Greater than 85% as determined by SDS-PAGE.
Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

CGREF1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 305 amino acids (20-301 a.a) and having a molecular mass of 32.3kDa.
CGREF1 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Cell Growth Regulator with EF-Hand Domain 1, also known as CGREF1, is a secreted calcium ion binding protein. CGREF1 contains two EF-hand domains, and both are essential for its function. It is likely broken down outside of the cell by a currently unidentified serine protease, resulting in very hydrophobic peptides that are biologically active. CGREF1 facilitates cell-to-cell attachment in a way that depends on calcium. Additionally, CGREF1 can suppress growth in various cell lines.
Description
Recombinant human CGREF1, produced in E. coli, is a single, non-glycosylated polypeptide chain consisting of 305 amino acids (amino acids 20-301). It has a molecular weight of 32.3 kDa.
For purification purposes, a 23 amino acid His-tag is attached to the N-terminus of CGREF1. The protein is then purified using proprietary chromatographic techniques.
Physical Appearance
A clear, sterile-filtered solution.
Formulation
The CGREF1 protein solution (0.5 mg/ml) is prepared in phosphate-buffered saline (pH 7.4).
Stability
For short-term storage (2-4 weeks), the product can be kept at 4°C. For extended storage, it should be frozen at -20°C.
The addition of a carrier protein (0.1% HSA or BSA) is recommended for long-term storage.
Repeated freezing and thawing should be avoided.
Purity
Purity is determined by SDS-PAGE analysis and exceeds 85%.
Synonyms
Cell Growth Regulator With EF-Hand Domain 1, Cell Growth Regulatory Gene 11 Protein, Hydrophobestin, CGR11, Cell Growth Regulator With EF Hand Domain Protein 1, Cell Growth Regulator With EF Hand Domain 1, Cell growth regulator with EF hand domain protein 1.
Source
Escherichia Coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSAPKDGVT RPDSEVQHQL LPNPFQPGQE QLGLLQSYLK GLGRTEVQLE HLSREQVLLY LFALHDYDQS GQLDGLELLS MLTAALAPGA ANSPTTNPVI LIVDKVLETQ DLNGDGLMTP AELINFPGVA LRHVEPGEPL APSPQEPQAV GRQSLLAKSP LRQETQEAPG PREEAKGQVE ARRESLDPVQ EPGGQAEADG DVPGPRGEAE GQAEAKGDAP GPRGEAGGQA EAEGDAPGPR GEAGGQAEAR ENGEEAKELP GETLESKNTQ NDFEVHIVQV ENDEI.

Product Science Overview

Structure and Function

CGREF1 is a secreted protein that contains two highly conserved calcium-binding EF-hand domains . These EF-hand domains are essential for the protein’s function, which includes binding calcium ions and facilitating cell-cell adhesion . The protein is predicted to inhibit cell growth in various cell lines, making it a significant player in the negative regulation of cell population proliferation .

Gene and Protein Information

The CGREF1 gene is located on human chromosome 2 and encodes a 301-amino acid protein . The protein shares a high degree of sequence identity with its orthologs in other species, such as mice and rats . The gene is also known by several aliases, including CGR11 and Cell Growth Regulatory Gene 11 Protein .

Biological Significance

CGREF1 is involved in several critical biological processes. It is induced by the tumor suppressor protein p53 and can inhibit cell growth in various cell lines . This makes it a potential target for cancer research and therapy. Additionally, CGREF1 is most likely digested extracellularly by an unknown serine protease, generating highly hydrophobic bioactive peptides .

Research and Applications

Recombinant forms of CGREF1, such as the human recombinant protein, are used in various research applications. These include studying the protein’s role in cell growth regulation, calcium ion binding, and cell-cell adhesion . The recombinant protein is typically expressed in systems like E. coli and purified for use in experiments .

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