Tags: Protein.
The epidermal growth factor receptor (EGFR; ErbB-1; HER1 in humans) is the cell-surface receptor for members of the epidermal growth factor family (EGF-family) of extracellular protein ligands.The epidermal growth factor receptor is a member of the ErbB family of receptors a subfamily of four closely related receptor tyrosine kinases: EGFR (ErbB-1) HER2/c-neu (ErbB-2) Her 3 (ErbB-3) and Her 4 (ErbB-4).