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TET1 Recombinant Protein Antigen

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-58496PEP

Novus Biologicals, part of Bio-Techne
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NBP2-58496PEP

Key Product Details

Source

E. coli

Tag

N-terminal His6ABP (ABP = Albumin Binding Protein derived from Streptococcal Protein G)

Conjugate

Unconjugated

Applications

Antibody Competition

Product Specifications

Description

A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human TET1.

Source: E. coli

Amino Acid Sequence: MNLDRTEVLFQNPESLTCNGFTMALRSTSLSRRLSQPPLVVAKSKKVPLSKGLEKQHDCDYKILPALGVKHSENDSVPMQDTQVLPDIETLIGVQNPSLLKGKSQETTQFWSQRVEDSKINIPT

Fusion Tag: N-terminal His6ABP (ABP = Albumin Binding Protein derived from Streptococcal Protein G)

This product is intended to be used as a blocking antigen for antibody competition assays. Any other use of this antigen is done at the risk of the user. The use of this product for commercial production is strictly prohibited. Please contact technical support if you have any questions.

Purity

>80% by SDS-PAGE and Coomassie blue staining

Predicted Molecular Mass

31 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Applications

Antibody Competition (10 - 100 molar excess)

Application Notes

This recombinant antigen is only intended to be used as a blocking agent to confirm antibody specificity with the corresponding antibody, catalog number NBP2-58496.

It is purified by IMAC chromatography, and the expected concentration is greater than 0.5 mg/ml.

For current lot information, including availability, please contact our technical support team click nb-technical@bio-techne.com

Protein / Peptide Type

Recombinant Protein Antigen

Formulation, Preparation and Storage

NBP2-58496PEP
Formulation PBS and 1M Urea, pH 7.4.
Preservative No Preservative
Concentration Please see the vial label for concentration. If unlisted please contact technical services.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Store at -20C. Avoid freeze-thaw cycles.

Background: TET1

TET1 (Ten-eleven translocation 1), also called methylcytosine dioxygenase TET1 or CXXC6, is one of three members of the human TET protein family of alpha-ketoglutarate oxygenases which includes TET2 and TET3 (1-3). TET1 is an enzyme that plays a role in epigenetic regulation of DNA methylation by conversion of 5-methylcytosine (5mC) to 5-hydroxymethylcytosine (5hmC), and further to 5-formylcystosine (5fC) and 5-carboxylcystosine (5caC) (1-5). The human TET1 protein is 2136 amino acids in length with a theoretical molecular weight of 235 kDa (6). Primary features of the TET1 protein include an N-terminal CXXC domain responsible for binding CpG islands in DNA, and a C-terminal catalytic domain containing a Cys-rich region followed by a double-stranded beta-helix (DSBH) domain that contributes to the mC dioxygenase activity and metal binding (1,2,4,5).

Recent studies have shown a role for TET1 in mediating epigenetic changes, such as DNA methylation status, in response to environmental factors such as food and nutrition, exercise, radiation, and allergens (3). The balance between DNA methylation and demethylation is crucial in health and homeostasis (3,5). In addition to response to environmental exposures, TET1 also plays a role in different diseases and cancer subtypes where it can function as either a tumor suppressor or tumor promoter (2,5). TET1 was originally identified as a fusion partner for the mixed lineage leukemia (MLL) gene in acute myeloid leukemia (AML) (1-3). While TET1 expression is low in AML, it is highly expressed in T-cell acute lymphoblastic leukemia (T-ALL) (2). Similarly, TET1 expression is suppressed in hormone receptor positive breast cancer (HRBC) but elevated in triple negative breast cancer (2). TET1 is a potential therapeutic target in certain cancers, but due to its complex role in different signaling pathways its potential needs to be more widely studied (2). While TET1 is primarily responsible for initiating DNA demethylation, it also functions alongside 5hmc in maintaining pluripotency in embryonic stem cells (ESCs) and can serve as a marker for differentiation (1,2,4,5).

References

1. Tan L, Shi YG. Tet family proteins and 5-hydroxymethylcytosine in development and disease. Development. 2012;139(11):1895-1902. https://doi.org/10.1242/dev.070771

2. Liu W, Wu G, Xiong F, Chen Y. Advances in the DNA methylation hydroxylase TET1. Biomark Res. 2021;9(1):76. https://doi.org/10.1186/s40364-021-00331-7

3. Zhu T, Brown AP, Ji H. The Emerging Role of Ten-Eleven Translocation 1 in Epigenetic Responses to Environmental Exposures. Epigenet Insights. 2020;13:2516865720910155. https://doi.org/10.1177/2516865720910155

4. Melamed P, Yosefzon Y, David C, Tsukerman A, Pnueli L. Tet Enzymes, Variants, and Differential Effects on Function. Front Cell Dev Biol. 2018;6:22. https://doi.org/10.3389/fcell.2018.00022

5. Ma C, Seong H, Liu Y, Yu X, Xu S, Li Y. Ten-eleven translocation proteins (TETs): tumor suppressors or tumor enhancers?. Front Biosci (Landmark Ed). 2021;26(10):895-915. https://doi.org/10.52586/4996

6. Uniprot (Q8NFU7)

Long Name

Methylcytosine dioxygenase TET1

Alternate Names

CXXC6, EC 1.14.11.n2, KIAA1676, LCX

Gene Symbol

TET1

Additional TET1 Products

Product Documents for TET1 Recombinant Protein Antigen

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Product Specific Notices for TET1 Recombinant Protein Antigen

This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

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