Protein-metabolite interactomics of carbohydrate metabolism reveal regulation of lactate dehydrogenase.

Protein-metabolite interactomics of carbohydrate metabolism reveal regulation of lactate dehydrogenase.
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DOI:
10.1126/science.abm3452
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发表时间:
2023-03-10
期刊:
影响因子:
56.9
通讯作者:
Rutter, Jared
Rutter, Jared
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Hicks, Kevin G.;Cluntun, Ahmad A.;Schubert, Heidi L.;Hackett, Sean R.;Berg, Jordan A.;Leonard, Paul G.;Aleixo, Mariana A. Ajalla;Zhou, Youjia;Bott, Alex J.;Salvatore, Sonia R.;Chang, Fei;Blevins, Aubrie;Barta, Paige;Tilley, Samantha;Leifer, Aaron;Guzman, Andrea;Arok, Ajak;Fogarty, Sarah;Winter, Jacob M.;Ahn, Hee-Chul;Allen, Karen N.;Block, Samuel;Cardoso, Iara A.;Ding, Jianping;Dreveny, Ingrid;Gasper, William C.;Ho, Quinn;Matsuura, Atsushi;Palladino, Michael J.;Prajapati, Sabin;Sun, Pengkai;Tittmann, Kai;Tolan, Dean R.;Unterlass, Judith;VanDemark, Andrew P.;Vander Heiden, Matthew G.;Webb, Bradley A.;Yun, Cai-Hong;Zhao, Pengkai;Wang, Bei;Schopter, Francisco J.;Hill, Christopher P.;Nonato, Maria Cristina;Muller, Florian L.;Cox, James E.;Rutter, Jared

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Metabolic networks are interconnected and influence diverse cellular processes. The protein-metabolite interactions that mediate these networks are frequently low affinity and challenging to systematically discover. We developed mass spectrometry integrated with equilibrium dialysis for the discovery of allostery systematically (MIDAS) to identify such interactions. Analysis of 33 enzymes from human carbohydrate metabolism identified 830 protein-metabolite interactions, including known regulators, substrates, and products as well as previously unreported interactions. We functionally validated a subset of interactions, including the isoform-specific inhibition of lactate dehydrogenase by long-chain acyl–coenzyme A. Cell treatment with fatty acids caused a loss of pyruvate-lactate interconversion dependent on lactate dehydrogenase isoform expression. These protein-metabolite interactions may contribute to the dynamic, tissue-specific metabolic flexibility that enables growth and survival in an ever-changing nutrient environment.
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