Prominin 2 Recombinant Protein Antigen

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-38032PEP

Novus Biologicals, part of Bio-Techne
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NBP2-38032PEP
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Key Product Details

Source

E. coli

Conjugate

Unconjugated

Applications

Antibody Competition

View all Prominin 2 Proteins and Enzymes »

Product Specifications

Description

A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human PROM2.

Source: E. coli

Amino Acid Sequence: ELGADFSQVPSVDHVLHQLKGVPEANFSSMVQEENSTFNALPALAAMQTSSVVQELKKAVAQQPEGVRTLAEGFP

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

26 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 NBP2-38032.

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

For further blocking peptide related information and a protocol, click here.

Protein / Peptide Type

Recombinant Protein Antigen

Formulation, Preparation and Storage

NBP2-38032PEP
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: Prominin 2

Prominin 2 is a large-scale effort, termed the Secreted Protein Discovery Initiative (SPDI), was undertaken to identify novel secreted and transmembrane proteins. Several criteria were applied to identify and characterize these new and novel genes. First, a biological signal sequence trap in yeast cells was utilized to identify cDNA clones encoding putative secreted proteins, second strategy utilized various algorithms that recognize features such as the hydrophobic properties of signal sequences to identify putative proteins encoded by expressed sequence tags (ESTs) from human cDNA libraries and finally, ESTs for protein sequence similarity to a set of known receptors and their ligands with the BLAST algorithm. Based on these criteria isolation of full length cDNA clones for each of these genes resulted in identification of more than 1000 novel proteins. One of these new genes is Prominin2. Prominin 2 is a 112 kDa glycoporotein structurally related to Prominin 1 (CD133) although amino acid similarity is not more than 30% but their genomic organization is strikingly similar (1). Like Prominin1, the prominin 2 exhibit similar membrane topology with 5 trans-membrane domains and two large glycosylated extracellular domains. Similar to Prominin1 localization, the Prominin 2 is also associated with membrane protrusions of the epithelial cells from adult kidney, and all along the digestive track and other epithelial tissues. One striking difference between Prominin1 and Prominin 2 expression lies in its conspicuous absence in eye tissue (2). Prominin 2, along with other genes (AP1M2, MAL2, PRSS8 and FLJ20171) expression is differentially expressed in chromophobe renal cell carcinoma compared to benign oncocytoma consistently and this marker can be used to differentiate RCC form benign oncocytoma (3). Prominin 2 is an androgen-responsive genes proapoptotic membrane protein that is expressed in human prostate and human prostate cancer cell lines with highest levels in less aggressive LNCaP cell and low expression in highly aggressive PC3 and DU145 cells suggesting a role of Prominin 2 in down-regulation of aggressiveness of prostate cancer cells (4).

Alternate Names

PROM2, PROML2

Gene Symbol

PROM2

Additional Prominin 2 Products

Product Documents for Prominin 2 Recombinant Protein Antigen

Product Datasheets

Certificate of Analysis

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

Product Specific Notices for Prominin 2 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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