|Application ||WB, IHC, IF|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||48227 Da|
|Other Names||KH domain-containing, RNA-binding, signal transduction-associated protein 1, GAP-associated tyrosine phosphoprotein p62, Src-associated in mitosis 68 kDa protein, Sam68, p21 Ras GTPase-activating protein-associated p62, p68, KHDRBS1 (HGNC:18116)|
|Target/Specificity||A synthetic peptide corresponding to residues on the N terminus of human SAM68 was used as an immunogen.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||SAM68 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Recruited and tyrosine phosphorylated by several receptor systems, for example the T-cell, leptin and insulin receptors. Once phosphorylated, functions as an adapter protein in signal transduction cascades by binding to SH2 and SH3 domain- containing proteins. Role in G2-M progression in the cell cycle. Represses CBP-dependent transcriptional activation apparently by competing with other nuclear factors for binding to CBP. Also acts as a putative regulator of mRNA stability and/or translation rates and mediates mRNA nuclear export. Positively regulates the association of constitutive transport element (CTE)-containing mRNA with large polyribosomes and translation initiation. According to some authors, is not involved in the nucleocytoplasmic export of unspliced (CTE)-containing RNA species according to (PubMed:22253824).|
|Cellular Location||Nucleus. Membrane|
|Tissue Location||Ubiquitously expressed in all tissue examined. Isoform 1 is expressed at lower levels in brain, skeletal muscle, and liver whereas isoform 3 is intensified in skeletal muscle and in liver.|
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Provided below are standard protocols that you may find useful for product applications.
SAM68 (Src-associated protein in mitosis; 68 kDa) is a member of the signal transduction and activation of RNA family of KH domain-containing RNA binding proteins (1). It is a major substrate of the Src tyrosine kinase in mitotic cells, having a tyrosine-rich C-terminal region and six poly-proline (SH3-binding) sites, many of which are located in an amino-terminal region. Once phosphorylated, SAM68 functions as an adaptor protein in signal transduction cascades by binding to SH2- and SH3-domain containing proteins (2). Tyrosine phosphorylation also negatively regulates the nucleic acid binding properties of SAM68 (3).
1. Babic I, et al. Oncogene 23(21):3781-9, 2004
2. Lee J, et al. Gene 240(1):133-47, 1999
3. Barlat I, et al. J Biol Chem. 272(6):3129-32, 1997
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