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http://purl.uniprot.org/citations/17472361http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/17472361http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/17472361http://www.w3.org/2000/01/rdf-schema#comment"Advances in analytical techniques, specifically in mass spectrometry, have allowed for both facile protein identification and routine sequencing of proteins at increased sensitivity levels. Protein modifications present additional challenges because they occur at low stoichiometries and often change the analytical behavior of the molecule. For example, characterization of protein phosphorylation provides crucial information to signaling processes that are often associated with disease. Research into protein phosphorylation requires inter-disciplinary co-operation involving multiple investigators with expertise in diverse scientific fields. As such, techniques must be simple, effective, and incorporate multiple checkpoints that confirm the sample contains a phosphorylated protein in order to ensure resources are conserved. In this study, tumor progression locus 2 (Tpl2), which has been implicated in cell cycle regulation and has been shown to play a significant role in critical signal transduction pathways, was transfected into 293T cells, overexpressed and isolated from the cell lysate. Isolated proteins were separated via 1D gel electrophoresis, and their phosphorylation was confirmed using phosphospecific staining. The bands were excised and subjected to tryptic digestion and immobilized metal affinity chromatography (IMAC) prior to analysis by capillary-LC-MS/MS. Three phosphorylation sites were detected on Tpl2. One site had previously been reported in the literature but had not been characterized by mass spectrometric methods until this time; two additional novel sites of phosphorylation were detected."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.org/dc/terms/identifier"doi:10.1021/pr0700293"xsd:string
http://purl.uniprot.org/citations/17472361http://purl.org/dc/terms/identifier"doi:10.1021/pr0700293"xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Tsichlis P.N."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Tsichlis P.N."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Ivan M."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Ivan M."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Black T.M."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Black T.M."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Andrews C.L."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Andrews C.L."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Kilili G."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Kilili G."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Vouros P."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/author"Vouros P."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/date"2007"xsd:gYear
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/date"2007"xsd:gYear
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/name"J. Proteome Res."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/name"J. Proteome Res."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/pages"2269-2276"xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/pages"2269-2276"xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/title"Characterization of phosphorylation sites on Tpl2 using IMAC enrichment and a linear ion trap mass spectrometer."xsd:string
http://purl.uniprot.org/citations/17472361http://purl.uniprot.org/core/title"Characterization of phosphorylation sites on Tpl2 using IMAC enrichment and a linear ion trap mass spectrometer."xsd:string