Human/Mouse/Rat ER alpha /NR3A1 Antibody Summary
Accession # P03372
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Detection of Human, Mouse, and Rat ER alpha /NR3A1 by Western Blot. Western blot shows lysates of MCF-7 human breast cancer cell line, HeLa human cervical epithelial carcinoma cell line, C2C12 mouse myoblast cell line, and L6 rat myoblast cell line. PVDF Membrane was probed with 0.05 µg/mL of Human ERa/NR3A1 Monoclonal Antibody (Catalog # MAB57151) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for ERa/NR3A1 at approximately 65 to 70 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of Human ER alpha /NR3A1 by Simple WesternTM. Simple Western lane view shows lysates of MCF‑7 human breast cancer cell line, loaded at 0.2 mg/mL. A specific band was detected for ER alpha /NR3A1 at approximately 75 kDa (as indicated) using 1 µg/mL of Mouse Anti-Human/Mouse/Rat ER alpha /NR3A1 Monoclonal Antibody (Catalog # MAB57151). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: ER alpha/NR3A1
ER alpha (Estrogen receptor alpha; also Estradiol receptor and NR3A1) is a 65-70 kDa member of the NR3 subfamily, nuclear hormone receptor family of proteins. It is widely expressed, and serves as a strong activator of estrogen-responsive genes. ER alpha is normally quiescent and bound to heat-shock proteins and immunophilins. Following beta -estradiol binding, it becomes activated, either homodimerizes or heterodimerizes with ER beta, and binds to DNA with multiple coactivators. Human ER alpha is 595 amino acids (aa) in length. It contains a DNA binding region (aa 185-250), three NLSs (aa 256-260; 266-271; 299-303), a steroid-binding site (aa 351-543), a dimerization motif (aa 497-518), and an O-GlcNAc attachment around Thr575. Major phosphorylation sites exist at Tyr537, Ser167 and Ser118. Multiple splice forms exist. There is an 80 kDa isoform that shows a substitution (duplication) of aa 412-517 for Asp411, a second isoform with a deletion of aa 255-366, a third isoform with a deletion of aa 152-412, and a fourth isoform that shows a Thr substitution for aa 152-595. Human ER alpha is only 46% aa identical to human ER beta. Over aa 1-116, human ER alpha shares 85% aa identity with mouse ER alpha.
Citations for Human/Mouse/Rat ER alpha /NR3A1 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
Citations: Showing 1 - 2
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DNA methylation was involved in total glucosides of paeony regulating ERÎ± for the treatment of female systemic lupus erythematosus mice
Authors: M Li, A Jiang
J. Pharmacol. Sci., 2019;0(0):.
Sample Types: Homogenized Tissues
Applications: Western Blot
Cell proliferation and apoptosis in rat mammary glands following combinational exposure to bisphenol A and genistein.
Authors: Wang J, Jenkins S, Lamartiniere C
BMC Cancer, 2014;14(0):379.
Sample Types: Cell Lysates
Applications: Western Blot
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