2HR7: Insulin Receptor (Domains 1-3)
reference: The first three domains of the insulin receptor differ structurally from the insulin-like growth factor 1 receptor in the regions governing ligand specificity., Lou M, Garrett TP, McKern NM, Hoyne PA, Epa VC, Bentley JD, Lovrecz GO, Cosgrove LJ, Frenkel MJ, Ward CW, Proc Natl Acad Sci U S A. 2006 Aug 15;103(33):12429-34. Epub 2006 Aug 7. PMID: 16894147

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