2014
Revealing the amino acid composition of proteins within an expanded genetic code
Aerni HR, Shifman MA, Rogulina S, O'Donoghue P, Rinehart J. Revealing the amino acid composition of proteins within an expanded genetic code. Nucleic Acids Research 2014, 43: e8-e8. PMID: 25378305, PMCID: PMC4333366, DOI: 10.1093/nar/gku1087.Peer-Reviewed Original ResearchMeSH KeywordsAmino AcidsCodon, TerminatorEscherichia coliEscherichia coli ProteinsGene DeletionPeptide Termination FactorsPhosphoserineProtein BiosynthesisProteinsProteomicsConceptsNon-standard amino acidsOrthogonal translation systemGenetic codeUAG codonProtein synthesisConventional proteomic analysisRecombinant reporter proteinRelease factor 1Amino acid insertionAmino acid compositionReporter proteinProteomic analysisExtended proteinSurprising diversityUAG readthroughAcid insertionProteomic workflowStop codonNative proteinCodonEscherichia coliAmino acidsMessenger RNAUAGProteinExpanded 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
2012
Enhanced phosphoserine insertion during Escherichia coli protein synthesis via partial UAG codon reassignment and release factor 1 deletion
Heinemann IU, Rovner AJ, Aerni HR, Rogulina S, Cheng L, Olds W, Fischer JT, Söll D, Isaacs FJ, Rinehart J. Enhanced phosphoserine insertion during Escherichia coli protein synthesis via partial UAG codon reassignment and release factor 1 deletion. FEBS Letters 2012, 586: 3716-3722. PMID: 22982858, PMCID: PMC3473164, DOI: 10.1016/j.febslet.2012.08.031.Peer-Reviewed Original ResearchConceptsUAG codonEscherichia coli protein synthesisRelease factor 1Aminoacyl-tRNA synthetaseCellular fitnessCodon reassignmentEssential genesElongation factorPhosphoserine phosphataseProtein synthesisRF-1Protein yieldTranslation systemFactor 1CodonAccompanying lossGFPUAAGenesSynthetaseDeletionWNK4FitnessPhosphataseExpression