Several methods are used to identify protein phosphorylation sites. We report a novel electrospray-based method for the determination of phosphorylation sites by mass spectrometry, using two different declustering potential values. This method allows one to obtain, with a single liquid chromatography/mass spectrometry (LC/MS) run, the pattern with either the phosphorylated or the unphosphorylated species of a protein tryptic digest, that can be further analyzed by tracing back the origin of each HPO3-deprived form using the capabilities of tandem mass spectrometers.
Determination of protein phosphorylation sites by mass spectrometry: a novel electrospray-based method
LIPPE, Giovanna;PUCILLO, Carlo Ennio Michele;ESPOSITO, Gennaro
2005-01-01
Abstract
Several methods are used to identify protein phosphorylation sites. We report a novel electrospray-based method for the determination of phosphorylation sites by mass spectrometry, using two different declustering potential values. This method allows one to obtain, with a single liquid chromatography/mass spectrometry (LC/MS) run, the pattern with either the phosphorylated or the unphosphorylated species of a protein tryptic digest, that can be further analyzed by tracing back the origin of each HPO3-deprived form using the capabilities of tandem mass spectrometers.File in questo prodotto:
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Alverdi RCMS 2005 Determination of protein phosphorylation sites by mass spect.pdf
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RCM2005-19-3343.pdf
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