We thank Drs. G. Tosato, T. A. Rouault, E. Max, R. Dhar, and G.
Pogue for critical reading of the manuscript and Drs. R. Sontheimer
and T. Lieu for generous gift of calretioulin antibodies and providing
human calreticulin cDNA. We also thank Dr. Teh-Yung Liu and John
Ewell for amino acid sequence analysis.