|Application ||WB, IHC-P, IF, E|
|Other Accession||NP_001034241, 85540441|
|Calculated MW||17671 Da|
|Application Notes||RGS21 antibody can be used for detection of RGS21 by Western blot at 0.5 µg/mL. Antibody can also be used for immunocytochemistry starting at 2.5 µg/mL. For immunofluorescence start at 20 µg/mL.|
|Reconstitution & Storage||RGS21 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.|
|Precautions||RGS21 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Inhibits signal transduction by increasing the GTPase activity of G protein alpha subunits thereby driving them into their inactive GDP-bound form.|
|Tissue Location||Expressed ubiquitously.|
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Provided below are standard protocols that you may find useful for product applications.
RGS21 Antibody: Regulator of G-protein signaling (RGS) proteins contain an 120 amino acid conserved domain, termed the RGS domain, that acts as a GTPase-activating protein that acts to reduce the signal transmitted by the receptor-activated G-alpha subunit. RGS21 is a recently identified member of this family that has been reported to be selectively expressed in subpopulations of taste bud cells and co-expressed with bitter and sweet transduction components such as alpha-gusticin, phospholipase Cbeta2, T1R2/T1R3 sweet taste receptors and T2R bitter taste receptors. Other reports indicate that RGS21 is more widely expressed. Binding assays demonstrate that RGS21 binds alpha-gusticin in a conformation-dependent manner and may do the same with T1R receptors, suggesting that RGS21 may play a role in sweet and bitter taste transduction processes.
De Vries L, Mousli M, Wurmser A, et al. GAIP, a protein that specifically interacts with the G protein G alpha i3, is a member of a protein family with a highly conserved core domain. Proc. Natl. Acad. Sci. USA1995; 92:11916-20.
Berman DM, Wilkie TM, and Gilman AG. GAIP and RGS4 are GTP-ase activating proteins for the Gi subfamily of G protein alpha subunits. Cell1996; 86:445-52.
von Bucholtz L, Elischer A, Tareilus E, et al. RGS21 is a novel regulator of G protein signalling selectively expressed in subpopulations of taste bud cells. Eur. J. Neurosci.2004; 19:1535-44.
Li X, Chen L, Ji C, et al. Isolation and expression pattern of RGS21 gene, a novel RGS member. Acta Biochim. Pol.2005; 52:943-6.
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