# | Product Name | Applications | Reactivity | |
---|---|---|---|---|
8511 | Stargazin (D33G3) Rabbit mAb |
|
M R |
REACTIVITY | H M R |
SENSITIVITY | Endogenous |
MW (kDa) | 40 |
SOURCE | Rabbit |
Product Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
NOTE: Please refer to primary antibody product webpage for recommended antibody dilution.
From sample preparation to detection, the reagents you need for your Western Blot are now in one convenient kit: #12957 Western Blotting Application Solutions Kit
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
Load 20 µl onto SDS-PAGE gel (10 cm x 10 cm).
NOTE: Loading of prestained molecular weight markers (#59329, 10 µl/lane) to verify electrotransfer and biotinylated protein ladder (#7727, 10 µl/lane) to determine molecular weights are recommended.
NOTE: Volumes are for 10 cm x 10 cm (100 cm2) of membrane; for different sized membranes, adjust volumes accordingly.
* Avoid repeated exposure to skin.
posted June 2005
revised June 2020
Protocol Id: 10
Human, Mouse, Rat
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues of human stargazin. Antibodies are purified by protein A and peptide affinity chromatography.
Stargazin is a four-pass transmembrane protein related to VDCC (voltage dependent calcium channel) γ subunits and part of the TARP (transmembrane AMPA receptor regulatory protein) family of proteins. TARP proteins can form a complex with AMPA receptors (GluR1-4) and serve as integral auxiliary subunits (1-6).
Interactions between stargazin and AMPA receptors are implicated in regulation of receptor surface expression, synaptic clustering and recycling, as well as increased receptor responsiveness to glutamate (1,2,5,6). Stargazin may play a role in the molecular mechanism of AMPAR-mediated inflammatory pain by taking part in signaling pathways that relay pain in the spinal cord (5). Because the protein also modulates the pharmacology of AMPA receptors, it enhances the effects of AMPAR potentiators that have therapeutic potential for a number of mental and neurodegenerative diseases (6).
The carboxy terminus of the stargazin protein interacts with the PDZ domains of PSD95 and other membrane-associated guanylate kinase (MAGUK) family members, and together traffic AMPA receptors to the cell surface membrane, anchoring them to the postsynaptic site (1,7). Phosphorylation of stargazin by PKA on Thr321 inhibits this binding (3).
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