Protein-metabolite interactomics of carbohydrate metabolism reveal regulation of lactate dehydrogenase
  • Hicks, Kevin G.
  • Cluntun, Ahmad A.
  • Schubert, Heidi L.
  • Hackett, Sean R.
  • Berg, Jordan A.
  • ... Ahn, Hee-Chul
  • 외 40명
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109
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117

초록

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.

키워드

Adenosine TriphosphateEnolaseFumarate HydrataseLactate DehydrogenaseLactate Dehydrogenase AFatty AcidsL-lactate DehydrogenaseAcyl Coenzyme AAdenosine TriphosphateEnolaseFumarate HydrataseLactate DehydrogenaseFatty AcidCarbohydrateCellEnzyme ActivityInhibitionMetabolismMetaboliteProteinArticleBinding AffinityBinding SiteCarbohydrate MetabolismCatalysisComplex FormationEnzyme ConformationEnzyme RegulationIn Vitro StudyInteractomicsProtein ExpressionProtein InteractionProtein MetabolismHumanCarbohydrate MetabolismFatty AcidsHumansL-lactate DehydrogenaseHEPATIC GLUCOSE-PRODUCTIONPYRUVATE-KINASESKELETAL-MUSCLEFATTY-ACIDSCOENZYME-AINHIBITIONINSULINOXIDATIONMECHANISMIDENTIFICATION
제목
Protein-metabolite interactomics of carbohydrate metabolism reveal regulation of lactate dehydrogenase
저자
Hicks, Kevin G.Cluntun, Ahmad A.Schubert, Heidi L.Hackett, Sean R.Berg, Jordan A.Leonard, Paul G.Aleixo, Mariana A. AjallaZhou, YoujiaBott, Alex J.Salvatore, Sonia R.Chang, FeiBlevins, AubrieBarta, PaigeTilley, SamanthaLeifer, AaronGuzman, AndreaArok, AjakFogarty, SarahWinter, Jacob M.Ahn, Hee-ChulAllen, Karen N.Block, SamuelCardoso, Iara A.Ding, JianpingDreveny, IngridGasper, William C.Ho, QuinnMatsuura, AtsushiPalladino, Michael J.Prajapati, SabinSun, PengkaiTittmann, KaiTolan, Dean R.Unterlass, JudithVanDemark, Andrew P.Vander Heiden, Matthew G.Webb, Bradley A.Yun, Cai-HongZhao, PengkaiWang, BeiSchopfer, Francisco J.Hill, Christopher P.Nonato, Maria CristinaMuller, Florian L.Cox, James E.Rutter, Jared
DOI
10.1126/science.abm3452
발행일
2023-03
유형
Article
저널명
Science
379
6636
페이지
996 ~ 1003