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Conditions of optimal ATF4 antibody performance should be determined experimentally by the investigator.
Price/availability/specifications subject to change without notice. Unless otherwise indicated, our catalog and customized products are for research use only and not intended for human or animal diagnostic or therapeutic use.
Phone: 1-617-401-8149
Fax: 1-617-606-5019
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Introduction
Activating transcription factor 4 (tax-responsive enhancer element B67), also known as ATF4, is a protein that in humans is encoded by the ATF4 gene. This gene encodes a transcription factor that was originally identified as a widely expressed mammalian DNA binding protein that could bind a tax-responsive enhancer element in the LTR of HTLV-1. The encoded protein was also isolated and characterized as the cAMP-response element binding protein 2 (CREB-2). The protein encoded by this gene belongs to a family of DNA-binding proteins that includes the AP-1 family of transcription factors, cAMP-response element binding proteins (CREBs) and CREB-like proteins. These transcription factors share a leucine zipper region that is involved in protein?protein interactions, located C-terminal to a stretch of basic amino acids that functions as a DNA-binding domain. Two alternative transcripts encoding the same protein have been described. Two pseudogenes are located on the X chromosome at q28 in a region containing a large inverted duplication. ATF4 transcription factor is also known to play role in osteoblast differentiation along with RUNX2 and osterix. Terminal osteoblast differentiation, represented by matrix mineralization, is significantly inhibited by the inactivation of JNK. JNK inactivation downregulates expression of ATF-4 and, subsequently, matrix mineralization.
PA000871-B7017: ATF4 (Ab-245) Polyclonal Antibody
Rabbit Polyclonal Antibody.
Specificity/Sensitivity: ATF4 (Ab-245) Antibody detects endogenous levels of ATF4 protein around Serine 245.
Applications: IHC: 1:50~1:100 ELISA: 1:20000.
Reactivity: Human.
Immunogen: This antiserum was produced against synthesized non-phosphopeptide derived from human ATF4 around the phosphorylation site of Serine 245.
Purification: The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Form of Antibody: Rabbit IgG in phosphate buffered saline (without Mg2+and Ca2+), pH 7.4, 150 mM NaCl, 0.02% sodium azide and 50% glycerol.
Storage/Stability: Stable for 1 year at -20°C and 3 months at 4°C. For maximum recovery of the product, centrifuge the original vial after thawing and before removing the cap. Aliquot to avoid repeated freezing and thawing.
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