ZAP-70: An Essential Kinase in T-cell Signaling

  1. Arthur Weiss
  1. Howard Hughes Medical Institute, Rosalind Russell Medical Research Center for Arthritis, Department of Medicine, University of California, San Francisco, San Francisco, California 94143
  1. Correspondence: aweiss{at}medicine.ucsf.edu

Abstract

ZAP-70 is a cytoplasmic protein tyrosine kinase that plays a critical role in the events involved in initiating T-cell responses by the antigen receptor. Here we review the structure of ZAP-70, its regulation, its role in development and in disease. We also describe a model experimental system in which ZAP-70 function can be interrupted by a small chemical inhibitor.

Footnotes

  • Editors: Lawrence E. Samelson and Andrey Shaw

  • Additional Perspectives on Immunoreceptor Signaling available at www.cshperspectives.org



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