Order and disorder - An integrative structure of the full-length human growth hormone receptor
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- Order anddisorder—An integrative structure ofthefull-length human growth hormone receptor
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Because of its small size (70 kilodalton) and large content of structural disorder (>50%), the human growth hormone receptor (hGHR) falls between the cracks of conventional high-resolution structural biology methods. Here, we study the structure of the full-length hGHR in nanodiscs with small-angle x-ray scattering (SAXS) as the foundation. We develop an approach that combines SAXS, x-ray diffraction, and NMR spectroscopy data obtained on individual domains and integrate these through molecular dynamics simulations to interpret SAXS data on the full-length hGHR in nanodiscs. The hGHR domains reorient freely, resulting in a broad structural ensemble, emphasizing the need to take an ensemble view on signaling of relevance to disease states. The structure provides the first experimental model of any full-length cytokine receptor in a lipid membrane and exemplifies how integrating experimental data from several techniques computationally may access structures of membrane proteins with long, disordered regions, a widespread phenomenon in biology.
Original language | English |
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Article number | eabh3805 |
Journal | Science Advances |
Volume | 7 |
Issue number | 27 |
Number of pages | 20 |
ISSN | 2375-2548 |
DOIs | |
Publication status | Published - 2021 |
Bibliographical note
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