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ON THE COVER
Linear groups of T cell receptors
(TCRs), but not single TCRs, respond
to low doses of antigen. Activation induced
phosphorylation of one TCR
might facilitate phosphorylation of
the neighboring TCR, creating a
domino-like effect and maximizing
an otherwise weak signal. Graphic
art by New York artist Dan Durso
(durso10@yahoo.com). Related article
by Schamel et al.
See page 493
[Table of Contents]
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