Electron capture dissociation of singly and multiply phosphorylated peptides
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Electron capture dissociation of singly and multiply phosphorylated peptides. / Stensballe, A; Jensen, Ole Nørregaard; Olsen, Jesper Velgaard; Haselmann, K F; Zubarev, R A.
In: Rapid Communications in Mass Spectrometry, Vol. 14, No. 19, 2000, p. 1793-800.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Electron capture dissociation of singly and multiply phosphorylated peptides
AU - Stensballe, A
AU - Jensen, Ole Nørregaard
AU - Olsen, Jesper Velgaard
AU - Haselmann, K F
AU - Zubarev, R A
N1 - Keywords: Amino Acid Sequence; Animals; Caseins; Cattle; Chromatography, Affinity; Fourier Analysis; Mass Spectrometry; Molecular Sequence Data; Phosphopeptides; Phosphorylation; Phosphoserine; Phosphotyrosine
PY - 2000
Y1 - 2000
N2 - Analysis of phosphotyrosine and phosphoserine containing peptides by nano-electrospray Fourier transform ion cyclotron resonance (FTICR) mass spectrometry established electron capture dissociation (ECD) as a viable method for phosphopeptide sequencing. In general, ECD spectra of synthetic and native phosphopeptides appeared less complex than conventional collision activated dissociation (CAD) mass spectra of these species. ECD of multiply protonated phosphopeptide ions generated mainly c- and z(.)-type peptide fragment ion series. No loss of water, phosphate groups or phosphoric acid from intact phosphopeptide ions nor from the c and z(.) fragment ion products was observed in the ECD spectra. ECD enabled complete or near-complete amino acid sequencing of phosphopeptides for the assignment of up to four phosphorylation sites in peptides in the mass range 1400 to 3500 Da. Nano-scale Fe(III)-affinity chromatography combined with nano-electrospray FTMS/ECD facilitated phosphopeptide analysis and amino acid sequencing from crude proteolytic peptide mixtures.
AB - Analysis of phosphotyrosine and phosphoserine containing peptides by nano-electrospray Fourier transform ion cyclotron resonance (FTICR) mass spectrometry established electron capture dissociation (ECD) as a viable method for phosphopeptide sequencing. In general, ECD spectra of synthetic and native phosphopeptides appeared less complex than conventional collision activated dissociation (CAD) mass spectra of these species. ECD of multiply protonated phosphopeptide ions generated mainly c- and z(.)-type peptide fragment ion series. No loss of water, phosphate groups or phosphoric acid from intact phosphopeptide ions nor from the c and z(.) fragment ion products was observed in the ECD spectra. ECD enabled complete or near-complete amino acid sequencing of phosphopeptides for the assignment of up to four phosphorylation sites in peptides in the mass range 1400 to 3500 Da. Nano-scale Fe(III)-affinity chromatography combined with nano-electrospray FTMS/ECD facilitated phosphopeptide analysis and amino acid sequencing from crude proteolytic peptide mixtures.
U2 - 10.1002/1097-0231(20001015)14:19<1793::AID-RCM95>3.0.CO;2-Q
DO - 10.1002/1097-0231(20001015)14:19<1793::AID-RCM95>3.0.CO;2-Q
M3 - Journal article
C2 - 11006587
VL - 14
SP - 1793
EP - 1800
JO - Rapid Communications in Mass Spectrometry
JF - Rapid Communications in Mass Spectrometry
SN - 0951-4198
IS - 19
ER -
ID: 16330710