2021
Phosphorylated WNK kinase networks in recoded bacteria recapitulate physiological function
Schiapparelli P, Pirman NL, Mohler K, Miranda-Herrera PA, Zarco N, Kilic O, Miller C, Shah SR, Rogulina S, Hungerford W, Abriola L, Hoyer D, Turk BE, Guerrero-Cázares H, Isaacs FJ, Quiñones-Hinojosa A, Levchenko A, Rinehart J. Phosphorylated WNK kinase networks in recoded bacteria recapitulate physiological function. Cell Reports 2021, 36: 109416. PMID: 34289367, PMCID: PMC8379681, DOI: 10.1016/j.celrep.2021.109416.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCell Line, TumorCell MovementCell ProliferationEscherichia coliFemaleGlioblastomaHEK293 CellsHumansMaleMice, NudeMiddle AgedPhosphorylationPhosphoserineProtein Serine-Threonine KinasesRecombinant ProteinsSignal TransductionSmall Molecule LibrariesSubstrate SpecificityWNK Lysine-Deficient Protein Kinase 1ConceptsKinase networkAuthentic post-translational modificationsGenetic code expansionPost-translational modificationsProduction of proteinsSmall molecule kinase inhibitorsKinase inhibitorsGenetic codePhosphorylated proteinsCode expansionKinase proteinWNK kinasesPhysiological functionsWNK4 kinaseBiochemical propertiesGlioblastoma cellsKinaseBacterial strainsProteinDistinct sitesPhosphoserineSPAKBacteriaCellular systemsCells
2015
Robust production of recombinant phosphoproteins using cell-free protein synthesis
Oza JP, Aerni HR, Pirman NL, Barber KW, ter Haar CM, Rogulina S, Amrofell MB, Isaacs FJ, Rinehart J, Jewett MC. Robust production of recombinant phosphoproteins using cell-free protein synthesis. Nature Communications 2015, 6: 8168. PMID: 26350765, PMCID: PMC4566161, DOI: 10.1038/ncomms9168.Peer-Reviewed Original ResearchConceptsMEK1 activityMultiple phosphorylated residuesCo-translational incorporationSite-specific protein phosphorylationCell-free protein synthesis platformHigh-throughput technology platformsCell-free protein synthesisSite-specific phosphorylationStructure-function relationshipsRecombinant phosphoproteinsPhosphorylation eventsMEK1 kinasePhosphorylated residuesProtein phosphorylationProtein synthesisEscherichia coliPhosphoproteinRobust productionSynthesis platformStructural consequencesDirect expressionPhosphorylationTechnology platformKinasePhosphoserineA flexible codon in genomically recoded Escherichia coli permits programmable protein phosphorylation
Pirman NL, Barber KW, Aerni HR, Ma NJ, Haimovich AD, Rogulina S, Isaacs FJ, Rinehart J. A flexible codon in genomically recoded Escherichia coli permits programmable protein phosphorylation. Nature Communications 2015, 6: 8130. PMID: 26350500, PMCID: PMC4566969, DOI: 10.1038/ncomms9130.Peer-Reviewed Original ResearchConceptsProtein phosphorylationProtein phosphorylation eventsFull-length proteinNon-phosphorylated formPhosphoserine-containing proteinsPhosphorylation eventsMEK1 kinaseUAG codonKinase activityRecombinant DNADNA templateEscherichia coliE. coliCodonPhosphorylationFunctional informationSerineProteinColiBiochemical investigationsPhosphoproteomeInefficient productionKinasePhosphoserineDNA
2014
Expanded Cellular Amino Acid Pools Containing Phosphoserine, Phosphothreonine, and Phosphotyrosine
Steinfeld JB, Aerni HR, Rogulina S, Liu Y, Rinehart J. Expanded Cellular Amino Acid Pools Containing Phosphoserine, Phosphothreonine, and Phosphotyrosine. ACS Chemical Biology 2014, 9: 1104-1112. PMID: 24646179, PMCID: PMC4027946, DOI: 10.1021/cb5000532.Peer-Reviewed Original ResearchConceptsNonstandard amino acidsAmino acidsGenetic codeOrthogonal aminoacyl-tRNA synthetaseCellular amino acid poolsIntracellular levelsPhosphorylated amino acidsAminoacyl-tRNA synthetaseE. coliLow-phosphate mediumAmino acid poolCotranslational insertionTRNA pairsMetabolic engineeringRecombinant proteinsDeficient cellsStandard amino acidsProtein synthesisWT cellsPhosphoserinePhosphotyrosinePhosphothreonineProteinAcid poolColi