Article
Structure of a Janus kinase cytokine receptor complex reveals the basis for dimeric activation.
Science (New York, N.Y.) - 8 Apr 2022
Glassman Caleb R, Tsutsumi Naotaka, Saxton Robert A, Lupardus Patrick J, Jude Kevin M, Garcia K Christopher
Abstract excerpt
Cytokines signal through cell surface receptor dimers to initiate activation of intracellular Janus kinases (JAKs). We report the 3.6-angstrom-resolution cryo-electron microscopy structure of full-length JAK1 complexed with a cytokine receptor intracellular domain Box1 and Box2 regions captured as an activated homodimer bearing the valine→phenylalanine (VF) mutation prevalent in myeloproliferative neoplasms. The...
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