T cell receptor zeta allows stable expression of receptors containing the CD3gamma leucine-based receptor-sorting motif.


The leucine-based motif in the T cell receptor (TCR) subunit CD3gamma constitutes a strong internalization signal. In fully assembled TCR this motif is inactive unless phosphorylated. In contrast, the motif is constitutively active in CD4/CD3gamma and Tac/CD3gamma chimeras independently of phosphorylation and leads to rapid internalization and sorting of… (More)


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