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Part of the book series: Milestones in Drug Therapy ((MDT))

Abstract

Erythropoietin receptor (EPOR) is a founding member of the cytokine receptor superfamily [1]. A type I transmembrane protein that binds the ligand erythropoietin (EPO) with high affinity (kDa approximately 400 pM) on the surface of erythroid progenitors, EPOR is devoid of catalytic activity. Given that the extracellular domain of EPOR only contains two cytokine receptor homology modules (D1 and D2), EPOR is considered a simple (or short) receptor, unlike other superfamily members, like the receptors for interleukin (IL)-6 type cytokines or for granulocyte colony-stimulating factor (G-CSF), which possess other extracellular sequences, such as immunoglobulin-like domains [2].

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Constantinescu, S.N. (2009). Mechanism of erythropoietin receptor activation. In: Elliott, S.G., Foote, M.A., Molineux, G. (eds) Erythropoietins, Erythropoietic Factors, and Erythropoiesis. Milestones in Drug Therapy. Birkhäuser Basel. https://doi.org/10.1007/978-3-7643-8698-6_11

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