5e8y Citations

Crystal structures of apo and inhibitor-bound TGFβR2 kinase domain: insights into TGFβR isoform selectivity.

Acta Crystallogr D Struct Biol 72 658-74 (2016)
Related entries: 5e8s, 5e8t, 5e8u, 5e8v, 5e8w, 5e8x, 5e8z, 5e90, 5e91, 5e92

Cited: 15 times
EuropePMC logo PMID: 27139629

Abstract

The cytokine TGF-β modulates a number of cellular activities and plays a critical role in development, hemostasis and physiology, as well as in diseases including cancer and fibrosis. TGF-β signals through two transmembrane serine/threonine kinase receptors: TGFβR1 and TGFβR2. Multiple structures of the TGFβR1 kinase domain are known, but the structure of TGFβR2 remains unreported. Wild-type TGFβR2 kinase domain was refractory to crystallization, leading to the design of two mutated constructs: firstly, a TGFβR1 chimeric protein with seven ATP-site residues mutated to their counterparts in TGFβR2, and secondly, a reduction of surface entropy through mutation of six charged residues on the surface of the TGFβR2 kinase domain to alanines. These yielded apo and inhibitor-bound crystals that diffracted to high resolution (<2 Å). Comparison of these structures with those of TGFβR1 reveal shared ligand contacts as well as differences in the ATP-binding sites, suggesting strategies for the design of pan and selective TGFβR inhibitors.

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  2. Beauvericin suppresses the proliferation and pulmonary metastasis of osteosarcoma by selectively inhibiting TGFBR2 pathway. Ye G, Jiao Y, Deng L, Cheng M, Wang S, Zhang J, Ouyang J, Li Y, He Y, Tu Z, Wang Z, Song X, Wang C, Qi Q, Zhang D, Wang L, Huang M, Ye W, Chen M. Int J Biol Sci 19 4376-4392 (2023)


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  2. Structural biology of the TGFβ family. Goebel EJ, Hart KN, McCoy JC, Thompson TB. Exp Biol Med (Maywood) 244 1530-1546 (2019)

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