Analysis of deletions of the carboxyl terminus of the epidermal growth factor receptor reveals self-phosphorylation at tyrosine 992 and enhanced in vivo tyrosine phosphorylation of cell substrates.

Abstract excerpt

The human epidermal growth factor receptor (EGFR) contains a large C' terminus distal to the protein tyrosine kinase domain that is conserved among members of its extended gene family. To investigate the C' terminus, a series of mutant EGFR cDNAs encoding progressive C'-terminal deletions were prepared and expressed in null recipient B82L cells. In vivo self-phosphorylation was retained in receptors truncated to...

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