AMELX Human

Amelogenin, X-Linked Human Recombinant
Cat. No.
BT23549
Source
Escherichia Coli.
Synonyms
Amelogenin X isoform, AMELX, AMG, AMGX, AI1E, AIH1, ALGN, AMGL.
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

AMELX Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 198 amino acids (17-191 a.a) and having a molecular mass of 22kDa.
AMELX is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Amelogenin, X-Linked (AMELX), a member of the amelogenin family, plays a crucial role in tooth enamel development through biomineralization. Mutations in the AMELX gene are linked to X-linked amelogenesis imperfecta. This protein is essential for the formation of crystallites during the secretory stage of enamel development. Ameloblasts, cells responsible for enamel formation, express AMELX transiently but abundantly during tooth development. Amelogenin is the most abundant protein found in developing dental enamel.
Description
Recombinant AMELX Human, produced in E. coli, is a single, non-glycosylated polypeptide chain consisting of 198 amino acids (residues 17-191). It has a molecular weight of 22 kDa. The protein includes a 23 amino acid His-tag fused at the N-terminus and is purified using proprietary chromatographic techniques.
Physical Appearance
A clear, colorless solution that has been sterilized by filtration.
Formulation
The AMELX protein solution is provided at a concentration of 0.25 mg/ml. It is formulated in a buffer containing 20mM Tris-HCl (pH 8.5), 0.2M NaCl, 30% glycerol, and 1mM DTT.
Stability
For short-term storage (2-4 weeks), the product should be stored 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 such as HSA or BSA (0.1%). Repeated freezing and thawing of the solution should be avoided.
Purity
The purity of the AMELX protein is greater than 90%, as assessed by SDS-PAGE analysis.
Synonyms
Amelogenin X isoform, AMELX, AMG, AMGX, AI1E, AIH1, ALGN, AMGL.
Source
Escherichia Coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMPLPPHP GHPGYINFSY EVLTPLKWYQ SIRPPYPSYG YEPMGGWLHH QIIPVLSQQH PPTHTLQPHH HIPVVPAQQP VIPQQPMMPV PGQHSMTPIQ HHQPNLPPPA QQPYQPQPVQ PQPHQPMQPQ PPVHPMQPLP PQPPLPPMFP MQPLPPMLPD LTLEAWPSTD KTKREEVD.

Product Science Overview

Structure and Function

Amelogenins are extracellular matrix proteins that, along with other proteins like ameloblastins, enamelins, and tuftelins, direct the mineralization of enamel to form a highly organized matrix of rods and interrod crystal proteins . During the development of human enamel, amelogenins constitute about 90% of the total protein content . They are believed to regulate the initiation and growth of hydroxyapatite crystals, which are essential for the mineralization process .

Genetic Aspects

The AMELX gene is located on the X chromosome at Xp22.1–Xp22.3 . Mutations in this gene can lead to a rare genetic condition known as Amelogenesis Imperfecta 1E (AI1E), characterized by abnormal tooth enamel development . The gene’s location on the X chromosome means that males (with one X chromosome) and females (with two X chromosomes) can exhibit different patterns of inheritance and expression of amelogenin .

Recombinant Amelogenin

Recombinant amelogenin, specifically the X-linked human isoform, is produced using Escherichia coli (E. coli) expression systems . This recombinant protein is used in various research and therapeutic applications. It is supplied as a lyophilized powder, prepared from a filtered solution of amelogenin in 2% acetic acid without any additives . The biological activity of recombinant amelogenin is measured by its ability to promote the attachment of Saos-2 cells to a coated surface .

Applications

Amelogenin has several potential therapeutic applications, including:

  • Treatment of hard-to-heal wounds: Amelogenin acts as a growth factor for mesenchymal stem cells, promoting tissue regeneration .
  • Remineralization of caries lesions: It helps in the repair and remineralization of tooth enamel affected by dental caries .
  • Development of dental materials: Amelogenin is used in the creation of biomimetic materials for dental restorations and repairs .
Research and Future Directions

Ongoing research aims to further understand the precise role of amelogenin in enamel mineralization and its potential applications in regenerative medicine. The development of recombinant amelogenin has opened new avenues for therapeutic interventions and the creation of advanced dental materials .

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