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Previous studies on the role of microtubule-associated protein 1B (MAP1B) in adapting microtubules for nerve cell-specific functions have examined the activity of the entire MAP1B protein complex consisting of heavy and light chains and revealed moderate effects on microtubule stability. Here we have analyzed the effects of the MAP1B light chain in the(More)
Two polyclonal antibodies were raised against the gamma 1-subunit of gamma-aminobutyric acidA (GABAA) receptors. One of these antibodies could be used for the immunopurification of GABAA receptors containing gamma 1-subunits. These receptors exhibited [3H]muscimol and [3H]flunitrazepam binding, and their benzodiazepine binding properties were dramatically(More)
Recently, the concept of microtubule-associated protein 1B as an intracellular 2460 amino acid protein was challenged by the suggestion that only the N-terminal 1022 codons are utilized and encode the core protein of the extracellular proteoglycan claustrin (Burg and Cole (1994) J. Neurobiol. 25, 1-22). We expressed this N-terminal MAP1B fragment in tissue(More)
Two polyclonal antibodies were raised against the gamma 3-subunit of gamma-aminobutyric acidA (GABAA) receptors. These antibodies were able to precipitate GABAA receptors from brain membrane extracts, and the precipitated receptors exhibited benzodiazepine binding properties that were dramatically different from those of receptors precipitated by anti-gamma(More)
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