Abstract
The human epidermal growth factor receptor (EGFR) is a transmembrane glycoprotein having 11 potential N-glycosylation sites in its extracellular domain. N-Glycosylation is needed for proper membrane insertion, EGF binding and receptor functioning. The human epidermoid carcinoma A431 cell line secretes a soluble 105 kDa glycoprotein (sEGFR) that represents the extracellular
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