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AB321152

Alexa Fluor® 750 Anti-Estrogen Receptor alpha antibody [SP1]

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Rabbit Recombinant Monoclonal Estrogen Receptor alpha antibody - conjugated to Alexa Fluor® 750.

View Alternative Names

ESR, NR3A1, ESR1, Estrogen receptor, ER, ER-alpha, Estradiol receptor, Nuclear receptor subfamily 3 group A member 1

  • Unconjugated

    Anti-Estrogen Receptor alpha antibody [SP1]

  • Carrier free

    Anti-Estrogen Receptor alpha antibody [SP1] - BSA and Azide free

  • 665 Alexa Fluor® 647

    Alexa Fluor® 647 Anti-Estrogen Receptor alpha antibody [SP1]

  • 565 Alexa Fluor® 555

    Alexa Fluor® 555 Anti-Estrogen Receptor alpha antibody [SP1]

  • 617 Alexa Fluor® 594

    Alexa Fluor® 594 Anti-Estrogen Receptor alpha antibody [SP1]

  • 578 PE

    PE Anti-Estrogen Receptor alpha antibody [SP1]

  • 660 APC

    APC Anti-Estrogen Receptor alpha antibody [SP1]

  • HRP

    HRP Anti-Estrogen Receptor alpha antibody [SP1]

  • 603 Alexa Fluor® 568

    Alexa Fluor® 568 Anti-Estrogen Receptor alpha antibody [SP1]

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

SP1

Isotype

IgG

Conjugation

Alexa Fluor® 750

Excitation/Emission

Ex: 749nm, Em: 775nm

Carrier free

No

Applications

Antibody Labelling, Target Binding Affinity

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

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Estrogen Receptor Transcription Factor Assay Kit (Colorimetric)

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We recommend this product because it’s often used in the same experiment or related research.

We advise that you always check the datasheet to ensure it fits your experiments, or contact ourtechnical teamfor help.

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Product details

The parent product has switched from a hybridoma to recombinant production format on 21st May 2020.

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

How are conjugated primary antibodies validated?
This conjugated primary antibody is released using a quantitative quality control method that evaluates binding affinity post-conjugation and efficiency of antibody labeling.
For suitable applications and species reactivity, please refer to the unconjugated version of this clone.

Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company. The Alexa Fluor® dye included in this product is provided under an intellectual property license from Life Technologies Corporation. As this product contains the Alexa Fluor® dye, the purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). As this product contains the Alexa Fluor® dye the sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: in manufacturing; (ii) to provide a service, information, or data in return for payment (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are sold for use in research. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: 68% PBS, 30% Glycerol (glycerin, glycerine), 1% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle|Store in the dark
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Estrogen Receptor alpha also known as ERα or ESR1 is a nuclear receptor that acts as a transcription factor when activated by its ligand estrogen. Its molecular weight is approximately 66 kDa. ERα is expressed in various tissues such as breast tissue endometrium and ovarian cells as well as some areas of the central nervous system. The ERα protein binds to specific DNA sequences called estrogen response elements to regulate the transcription of target genes. Tools like ER alpha ELISA and assays using alpha peptides help to study this receptor.
Biological function summary

ERα plays a significant role in the regulation of estrogen signaling. Estrogens binding to ERα activate the receptor which can form a homodimer or heterodimer complex with other proteins like coactivators or corepressors. This complex then modulates the transcription of genes involved in cell growth proliferation and differentiation. ERα is closely linked with processes like reproductive tissue development and maintenance.

Pathways

ERα is involved in the estrogen signaling pathway and the cell cycle regulation pathway. In the estrogen signaling pathway ERα works together with proteins such as coactivators which enhance gene transcription and corepressors which can inhibit transcription. In the context of cell cycle regulation ERα's interactions with other cell cycle proteins help control cell division and proliferation linking ERα activity to the progression through different stages of the cell cycle.

ERα's dysregulation has been implicated in breast cancer and osteoporosis. ERα overexpression or mutations can lead to oncogenic effects in breast cancer making it a prominent therapeutic target. Drugs that modulate ERα activity like selective estrogen receptor modulators (SERMs) are used in breast cancer treatment. In osteoporosis ERα is related to bone density regulation with its activity affecting bone resorption and formation. Relationships between ERα and other proteins such as those involved in hormone signaling pathways impact these disease mechanisms.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

The protein expressed by the gene ESR1 functions as a nuclear hormone receptor involved in regulating eukaryotic gene expression, affecting cellular proliferation and differentiation in target tissues. It mediates ligand-dependent nuclear transactivation either through direct homodimer binding to estrogen response elements (ERE) or by associating with other transcription factors like AP-1/c-Jun, c-Fos, ATF-2, Sp1, and Sp3, allowing ERE-independent signaling. Ligand binding triggers a conformational change, facilitating the interaction with coactivator complexes through LXXLL motifs. This interaction leads to mutual transrepression with NF-kappa-B in a cell-type-specific manner, reducing NF-kappa-B DNA-binding activity and transcription from the IL6 promoter while displacing coregulators like RELA/p65. It can antagonistically or synergistically interact with NF-kappa-B for transcription activation, involving recruitment to adjacent response elements, working with CREBBP. Additionally, it activates the transcription of TFF1 and mediates membrane-initiated signaling through kinase cascades. It's crucial for MTA1-mediated transcriptional regulation of BRCA1 and BCAS3. Isoform 3 specifically activates NOS3 and endothelial nitric oxide production, while isoforms lacking certain functional domains modulate transcriptional activity by competitive ligand or DNA binding and heterodimerization with the full-length receptor, capable of binding to ERE and inhibiting isoform 1. This supplementary information is collated from multiple sources and compiled automatically.
See full target information ESR1
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Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions
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Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com