- CITATIONS: 0
|Calculated MW||61595 Da|
|Other Names||BAG family molecular chaperone regulator 3, BAG-3, Bcl-2-associated athanogene 3, Bcl-2-binding protein Bis, Docking protein CAIR-1, BAG3, BIS|
|Target/Specificity||A synthetic peptide corresponding to residues in human Bag-3 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.|
|Function||Inhibits the chaperone activity of HSP70/HSC70 by promoting substrate release. Has anti-apoptotic activity.|
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Bcl-2-associated athanogene 3 (Bag-3) is a member of a conserved family of cyto-protective proteins that bind with high affinity to the ATPase domain of Hsc70 and inhibit its chaperone acitivity in a Hip-repressible manner. It has been shown to be prominently expressed in striated muscle and colocalizes with Z-disks. Bag-3 is not required for muscle development, but appears to be critically important for maintenance of mature skeletal muscle (1-2). Bag-3 has also been shown to have anti-apoptotic activity (3). Overexpression of Bag-3 has prevented or reduced the distraction of polyubiquitinated Hsp90/Hsp70 client proteins such as Cyclin D1, Akt, glycogen synthase 3B, and p70s6 kinase, and facilitated cell survival (4).
1. Homma S, et al. Am J Pathol. 169(3):761-73, 2006 2. NCBI Reference Sequence (RefSeq): a curated non- redundant sequence database of genomes, transcripts and proteins Pruitt KD, Tatusova, T, Maglott DR Nucleic Acids Res 2007 Jan 1;35(Database issue):D61-5 3. The UniProt Consortium. The Universal Protein Resource (UniProt). Nucleic Acids Res. 36:D190-D195 (2008) 4. Virador VM., et al. PLoS One 4(4):e5136, 2009
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