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P-ER alpha (S118) Rabbit mAb [VKER]Cat NO.: A68338

Western blot(SDS PAGE) analysis of extracts from (1) MCF7 cell lysate; (2) MCF7 cell lysate treated with b-Estradiol and EGF.Using P-ER alpha (S118) Rabbit mAb [VKER]at dilution of 1:1000 incubated at 4℃ over night.

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Product information

Protein names :ESR1; Era; Eralpha; Estrogen receptor; Estradiol receptor; ER-alpha; Estrogen receptor 1; NR3A1; ER; ESR; ESRA; Estrogen receptor alpha;

UniProtID :P03372

MASS(da) :66,216

MW(kDa) :66kDa

Form :Liquid

Purification :Affinity-chromatography

Host :Rabbit

Isotype : IgG

sensitivity :Endogenous

Reactivity :Human

  • ApplicationDilution
  • 免疫印迹(WB)1:1000-2000
  • 免疫组化(IHC)1:100
  • 免疫荧光(ICC/IF)1:100
  • The optimal dilutions should be determined by the end user

Specificity :Antibody is produced by immunizing animals with A synthesized peptide derived from human ER alpha

Storage :Antibody store in 10 mM PBS, 0.5mg/ml BSA, 50% glycerol. Shipped at 4°C. Store at-20°C or -80°C. Products are valid for one natural year of receipt.Avoid repeated freeze / thaw cycles.

WB Positive detected :(1) MCF7 cell lysate; (2) MCF7 cell lysate treated with b-Estradiol and EGF.

Function : Nuclear hormone receptor. The steroid hormones and their receptors are involved in the regulation of eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Ligand-dependent nuclear transactivation involves either direct homodimer binding to a palindromic estrogen response element (ERE) sequence or association with other DNA-binding transcription factors, such as AP-1/c-Jun, c-Fos, ATF-2, Sp1 and Sp3, to mediate ERE-independent signaling. Ligand binding induces a conformational change allowing subsequent or combinatorial association with multiprotein coactivator complexes through LXXLL motifs of their respective components. Mutual transrepression occurs between the estrogen receptor (ER) and NF-kappa-B in a cell-type specific manner. Decreases NF-kappa-B DNA-binding activity and inhibits NF-kappa-B-mediated transcription from the IL6 promoter and displace RELA/p65 and associated coregulators from the promoter. Recruited to the NF-kappa-B response element of the CCL2 and IL8 promoters and can displace CREBBP. Present with NF-kappa-B components RELA/p65 and NFKB1/p50 on ERE sequences. Can also act synergistically with NF-kappa-B to activate transcription involving respective recruitment adjacent response elements,the function involves CREBBP. Can activate the transcriptional activity of TFF1. Also mediates membrane-initiated estrogen signaling involving various kinase cascades. Essential for MTA1-mediated transcriptional regulation of BRCA1 and BCAS3 (PubMed:17922032).., [Isoform 3]: Involved in activation of NOS3 and endothelial nitric oxide production (PubMed:21937726). Isoforms lacking one or several functional domains are thought to modulate transcriptional activity by competitive ligand or DNA binding and/or heterodimerization with the full-length receptor (PubMed:10970861). Binds to ERE and inhibits isoform 1 (PubMed:10970861)..

Tissue specificity :Widely expressed (PubMed:10970861). Not expressed in the pituitary gland (PubMed:10970861)..,[Isoform 3]: Widely expressed, however not expressed in the pituitary gland..

Subcellular locationi :[Isoform 1]: Nucleus. Cytoplasm. Cell membrane,Peripheral membrane protein,Cytoplasmic side.

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 1% w/v BSA, 1X TBST at 4°C overnight.