Phosphorylated ligand-bound homodimers of ERBB4 JM-A isoforms are cleaved by ADAM17 metalloproteinase to yield ligand-bound ERBB4 extracellular domain and membrane bound ERBB4 fragment of 80 kDa (ERBB4m80) (Rio et al. 2000, Cheng et al. 2003).
metalloendopeptidase activity of ADAM17 [plasma membrane]
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