|Calculated MW||25673 Da|
|Application & Usage||Western blotting (1:500 – 1:2500). However, the optimal concentrations should be determined individually. HeLa cell lysate can be used as a positive control.The antibody recognizes the SRA of human origin. Reactivity to other species has not been tested.|
|Other Names||SRA, SRA1, STRAA1, Steroid Receptor RNA Activator 1, pp7684|
|Formulation||100 µl affinity purified rabbit polyclonal antibody in phosphate-buffered saline (PBS) containing 30% glycerol, 1% BSA and 0.02% thimerosal.|
|Handling||The antibody solution should be gently mixed before use.|
|Reconstitution & Storage||-20 °C|
|Precautions||SRA Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Functional RNA which acts as a transcriptional coactivator that selectively enhances steroid receptor-mediated transactivation ligand-independently through a mechanism involving the modulating N-terminal domain (AF-1) of steroid receptors. Also mediates transcriptional coactivation of steroid receptors ligand- dependently through the steroid-binding domain (AF-2). Enhances cellular proliferation and differentiation and promotes apoptosis in vivo. May play a role in tumorigenesis.|
|Cellular Location||Nucleus. Cytoplasm|
|Tissue Location||Highly expressed in liver and skeletal muscle and to a lesser extent in brain. Also expressed in both normal and tumorigenic breast epithelial cell lines. Significantly up- regulated in human tumors of the breast, ovary, and uterus|
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Provided below are standard protocols that you may find useful for product applications.
Steroid receptor RNA activator (SRA) selectively mediates transactivation of steroid hormone receptors. Specifically, SRA exists as both an RNA transcript that forms a complex with steroid receptor coactivator-1 and as a stably expressed protein. There are six RNA motifs in SRA that are important for coactivation. SRA is ubiquitously expressed in normal tissues with higher levels of expression in liver and skeletal muscle. SRA is expressed at a low level in brain. SRA is expressed at higher levels in breast tumor than in normal tissue. Overexpression of SRA stimulates ERalpha transcriptional activity. In cells transfected with antisense oligodeoxynucleotides to SRA, ERα expression is reduced in a dose-dependent fashion. SMRT/HDAC1 associated repressor protein (SHARP) binds to SRA and inhibits SRA-potentiated steroid receptor transciption.
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