2024
The RNA-dependent association of phosphatidylinositol 4,5-bisphosphate with intrinsically disordered proteins contribute to nuclear compartmentalization.
Sztacho M, Červenka J, Šalovská B, Antiga L, Hoboth P, Hozák P. The RNA-dependent association of phosphatidylinositol 4,5-bisphosphate with intrinsically disordered proteins contribute to nuclear compartmentalization. PLOS Genetics 2024, 20: e1011462. PMID: 39621780, DOI: 10.1371/journal.pgen.1011462.Peer-Reviewed Original ResearchPhosphatidylinositol 4,5-bisphosphateBromodomain-containing protein 4Nuclear specklesNuclear architectureRNA-dependent associationRNA-dependent mannerAssociated with RNAFunctional nuclear architectureRNA-dependentUbiquitination sitesNuclear compartmentalizationNuclear localizationNuclear fociNuclear compartmentDisordered proteinsPIP2 levelsDisordered regionsGene expressionHuman cellsPIP2RNANuclear processesBRD4 proteinProteinRNA content
2021
Limited Proteolysis-Coupled Mass Spectrometry Identifies Phosphatidylinositol 4,5-Bisphosphate Effectors in Human Nuclear Proteome
Sztacho M, Šalovská B, Červenka J, Balaban C, Hoboth P, Hozák P. Limited Proteolysis-Coupled Mass Spectrometry Identifies Phosphatidylinositol 4,5-Bisphosphate Effectors in Human Nuclear Proteome. Cells 2021, 10: 68. PMID: 33406800, PMCID: PMC7824793, DOI: 10.3390/cells10010068.Peer-Reviewed Original ResearchConceptsGene expressionHuman nuclear proteomeLimited proteolysisLabel-free quantitative mass spectrometryNuclear pore complexGene ontology analysisCell cycle regulationQuantitative mass spectrometryNuclear proteomeProtein effectorsPore complexPol IIRNA splicingOntology analysisMRNA splicingCycle regulationPIP2 bindingProtein interactionsDNA repairBioinformatics analysisNuclear envelopeFunctional domainsMass spectrometry identifiesSpecific proteinsCell cycle
2011
Phosphoproteomics: Searching for a needle in a haystack
Tichy A, Salovska B, Rehulka P, Klimentova J, Vavrova J, Stulik J, Hernychova L. Phosphoproteomics: Searching for a needle in a haystack. Journal Of Proteomics 2011, 74: 2786-2797. PMID: 21839867, DOI: 10.1016/j.jprot.2011.07.018.Peer-Reviewed Original ResearchConceptsCharacterization of phosphoproteinsReversible phosphorylationCellular processesSignal transductionCell divisionNon-phosphorylated peptidesGene expressionInsufficient ionizationLow abundanceTryptic protein digestsMass spectrometryCritical roleProtein digestsEnrichment techniquePhosphoproteomePhosphoproteomicsPhosphoproteinPowerful toolTransductionPhosphorylationPhosphopeptidesProteinAbundanceApoptosisDifferentiation