Mass Spectrometric Analyses of Brain Synaptic Peptides Containing Taurine |
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| Authors: | Kirsi-Marja Marnela Maritta Timonen Pekka Lähdesmäki |
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| Institution: | Department of Biomedical Sciences, University of Tampere, Tampere, Finland;Department of Biochemistry, University of Oulu, Oulu, Finland |
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| Abstract: | The structure of a number of low-molecular-weight acidic peptides containing taurine prepared from calf brain synaptosomes and their subcellular vesicles was studied using electron impact mass spectrometry. At least seven sequences could be identified: N-acetylaspartyl-glutamyl-taurine, N-acetylaspartyl-taurine, N-acetylglutamyl-taurine, glutamyl-taurine, aspartyl-taurine, seryl-glutamyl-seryl-taurine, and seryl-taurine. |
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| Keywords: | Taurine peptides Synaptosomes Mass spectrometry |
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