Article
Internalization of the lymphocytic surface protein CD22 is controlled by a novel membrane proximal cytoplasmic motif.
The Journal of biological chemistry - 23 Oct 1998
Chan C H, Wang J, French R R, Glennie M J
Abstract excerpt
CD22 is a key receptor on B-lymphocytes that modulates signaling during antigenic stimulation. We have defined a novel cytoplasmic motif in human CD22 that controls its unusually rapid turnover at the plasma membrane. Chimeric and mutated CD22alpha cDNA vectors were constructed and stably transfected in CD22-negative Jurkat T-lymphocytic cells. Two assays were employed to measure CD22alpha internalization: first,...
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