B Aroeti

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The 17-juxtamembrane cytoplasmic residues of the polymeric immunoglobulin receptor contain an autonomous basolateral targeting signal that does not mediate rapid endocytosis (Casanova, J. E., G. Apodaca, and K. E. Mostov. Cell. 66:65-75). Alanine-scanning mutagenesis identifies three residues in this region, His656, Arg657, and Val660, that are most(More)
PATIAL asymmetry is fundamental to the structure and function ofmost eukaryotic cells. A basic aspect of this polarity is that the cell's plasma membrane is divided into discrete domains. Examples include the membranes of axons and dendrites in neurons, the growing bud and mating projection in the yeast Saccharomyces cerevisiae, and lamel-lipodia in(More)
The role of N-glycosylation in the expression, ligand recognition, activity, and intracellular localization of a rat vesicular monoamine transporter (rVMAT1) was investigated. The glycosylation inhibitor tunicamycin induced a dose-dependent decrease in the rVMAT1-mediated uptake of [3H]serotonin. Part of this effect was due to a general toxic effect of the(More)
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