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The ability of differing subunit combinations of 5-HT3 receptors to form functional cell surface receptors was analyzed by a variety of approaches. The results revealed that 5-HT3 receptor assembly occurred within the endoplasmic reticulum (ER) and involved the interaction with chaperone proteins. The 5-HT3A subunit could assemble into functional homomeric(More)
Two subunits of the 5-hydroxytryptamine type 3 (5-HT3) have been identified (5-HT3A and 5-HT3B) that assemble into homomeric (5-HT3A) and heteromeric (5-HT3A+5-HT3B) complexes. Unassembled 5-HT3B subunits are efficiently retained within the cell. In this study, we address the mechanism controlling the release of 5-HT3B from the endoplasmic reticulum (ER).(More)
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