After ERBB4 is cleaved by ADAM17, gamma-secretase complex performs additional cleavage in the transmembrane region of the m80 ERBB4 fragment, releasing the soluble ERBB4 intracellular domain of 80 kDa, known as s80 or E4ICD (Ni et al. 2001).
Golde, TE, Murphy, MP, Carpenter, G, Ni, CY
endopeptidase activity of gamma-secretase complex [plasma membrane]
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