Detection of mGluR2/3 by Western Blot Western blot of rat hippocampal lysate showing the specific immunolabeling of the ~110 kDa monomer and the ~220 kDa dimer of mGluR2 and mGluR3.
Preparation and Storage
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
For long-term storage, ≤ -20° C is recommended. Product is stable at ≤ -20° C for at least 1 year.
Rat metabotropic glutamate receptor 2 (mGluR2; also mGlu2) is a 95 kDa, 854 amino acid (aa), 7-transmembrane glycoprotein that belongs to group II of the C-family of G-protein coupled receptors. Group II receptors include mGluR2 and mGluR3. Both are presynaptic, considered to negatively regulate the release of glutamate, associate with Gi/Go proteins, and inhibit adenylate cyclase, thus decreasing cAMP concentration. The effects of mGluR2 and 3 are not always identical. On microglia, mGluR2 but not mGluR3 stimulation induces TNF-alpha release. mGluR2 is believed to exist as a dimer. Dimerization presumably creates two subunit-linked “open clamshells” which first bind glutamate, then close, and subsequently undergo rearrangement for signal transduction. The cytoplasmic tails of rat mGluR2 and mGluR3 are 64% aa identical; over the last 18 aa, they are 95% aa identical.
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Shen, K-Z. and S.W. Johnson (2003) J. Physiol. 533:489.
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