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Estrogen Receptor beta Rabbit anti-Human, Mouse, Rat, Polyclonal, Invitrogen™

Rabbit Polyclonal Antibody

Manufacturer:  Invitrogen PA1310B

Catalog No. PA1310B

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PA1-310B has been successfully used in Western blot, immunohistochemistry, immunofluorescence, and immunocytochemistry procedures. By Western blot, this antibody detects an ~55 kDa protein representing ER beta from both rat brain homogenate as well as various breast cancer cell lines. Immunocytochemical staining of ER beta in cells overexpressing the human protein results in nuclear staining. The PA1-310B immunogen is a synthetic peptide corresponding to residues C(467) S S T E D S K N K E S S Q N L Q S Q(485) of rat ER beta. This immunizing peptide (PEP-007) is available for use in neutralization and control experiments. Recombit ER beta expressed in baculovirus system (Cat. No. RP-311 and RP-312) can be purchased for control experiments in Western blot and gel shift assays.

Estrogen Receptor beta (ER beta, NR3A2) protein is approximately 55kD, though multiple isoforms ranging from 36-59kD have been described. Human ER beta was initially cloned and characterized from testis. Estrogen Receptors (ER) are members of the steroid/thyroid hormone receptor superfamily of nuclear receptors. The estrogen receptor is a ligand-activated transcription factor, that when bound to estrogen hormone, induces a conformational change that allows dimerization and binding to estrogen response elements (ERE) in DNA. When bound to EREs, ER can positively or negatively regulate gene transcription through the recruitment of coactivator or corepressor proteins. There are two different forms of the estrogen receptor, alpha and beta, encoded by separate genes (ESR1 and ESR2, respectively). Estrogen receptor beta (ER beta) binds estrogens with an affinity similar to that of estrogen receptor alpha. Some ER beta isoforms domitly inhibit the activity of estrogen receptor alpha in reproductive tissues. ER beta is found widely in many tissues throughout the body and can act as a potent tumor suppressor, playing a crucial role in many cancer types such as prostate cancer, autism spectrum disorder, medullary thyroid carcinoma, De Quervain Disease and risk of cardiovascular disease.


Estrogen Receptor beta
Synthetic peptide corresponding to residues C(467) S S T E D S K N K E S S Q N L Q S Q(485) of rat ER beta.
Antigen affinity chromatography
Human, Mouse, Rat
Immunocytochemistry, Immunofluorescence, Immunohistochemistry (Frozen), Immunohistochemistry (Paraffin), Western Blot
1 mg/mL
PBS with 1mg/mL BSA and 0.05% sodium azide
O08537, Q62986, Q92731
ER Beta, ER, ESR2, ESR-Beta
100 μg
-20° C, Avoid Freeze/Thaw Cycles
13983, 2100, 25149
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