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  • 1
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    Role of heteromer formation in GABAB receptor function (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-05
    Description: Recently, GBR1, a seven-transmembrane domain protein with high affinity for gamma-aminobutyric acid (GABA)B receptor antagonists, was identified. Here, a GBR1-related protein, GBR2, was shown to be coexpressed with GBR1 in many brain regions and to interact with it through a short domain in the carboxyl-terminal cytoplasmic tail. Heterologously expressed GBR2 mediated inhibition of adenylyl cyclase; however, inwardly rectifying potassium channels were activated by GABAB receptor agonists only upon coexpression with GBR1 and GBR2. Thus, the interaction of these receptors appears to be crucial for important physiological effects of GABA and provides a mechanism in receptor signaling pathways that involve a heterotrimeric GTP-binding protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuner, R -- Kohr, G -- Grunewald, S -- Eisenhardt, G -- Bach, A -- Kornau, H C -- New York, N.Y. -- Science. 1999 Jan 1;283(5398):74-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉BASF-LYNX Bioscience AG, Department of Neuroscience, Im Neuenheimer Feld 515, D-69120 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9872744" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclase Inhibitors ; Amino Acid Sequence ; Animals ; Brain/*metabolism ; Cell Line ; Cyclic AMP/metabolism ; Dimerization ; G Protein-Coupled Inwardly-Rectifying Potassium Channels ; GABA-B Receptor Agonists ; Humans ; In Situ Hybridization ; Molecular Sequence Data ; Neurons/metabolism ; Potassium/metabolism ; Potassium Channels/metabolism ; *Potassium Channels, Inwardly Rectifying ; RNA, Messenger/genetics/metabolism ; Rats ; Receptors, GABA/*chemistry/*metabolism ; Receptors, GABA-B/*chemistry/*metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Sequence Alignment
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Domain interaction between NMDA receptor subunits and the postsynaptic density protein PSD-95 (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-22
    Description: The N-methyl-D-aspartate (NMDA) receptor subserves synaptic glutamate-induced transmission and plasticity in central neurons. The yeast two-hybrid system was used to show that the cytoplasmic tails of NMDA receptor subunits interact with a prominent postsynaptic density protein PSD-95. The second PDZ domain in PSD-95 binds to the seven-amino acid, COOH-terminal domain containing the terminal tSXV motif (where S is serine, X is any amino acid, and V is valine) common to NR2 subunits and certain NR1 splice forms. Transcripts encoding PSD-95 are expressed in a pattern similar to that of NMDA receptors, and the NR2B subunit co-localizes with PSD-95 in cultured rat hippocampal neurons. The interaction of these proteins may affect the plasticity of excitatory synapses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kornau, H C -- Schenker, L T -- Kennedy, M B -- Seeburg, P H -- NS-28710/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1995 Sep 22;269(5231):1737-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Molecular Biology (ZMBH), University of Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569905" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cells, Cultured ; Cytoplasm/chemistry ; Genes, Reporter ; Hippocampus/*metabolism ; Intracellular Signaling Peptides and Proteins ; Membrane Proteins ; Molecular Sequence Data ; Nerve Tissue Proteins/chemistry/genetics/*metabolism ; Neuronal Plasticity ; Neurons/*metabolism ; RNA Splicing ; Rats ; Receptors, N-Methyl-D-Aspartate/chemistry/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Late-onset motoneuron disease caused by a functionally modified AMPA receptor subunit (2005)
    National Academy of Sciences
    Details
    Publication Date: 2005-04-12
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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