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Use of Solution-IEF-Fractionation Leads to Separation of 2673 Mouse Brain Proteins Including 255 Hydrophobic Structures

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journal contribution
posted on 05.05.2006, 00:00 by Jae-Kyung Myung, Gert Lubec
Analyzing complex protein mixtures on a single gel does not allow separation of many extracted proteins. Herein, we tried a prefractionation approach and mouse brain proteins were separated on a narrow pH range ZOOM-IEF Fractionator (MicroSol-IEF device) and run on two-dimensional gel electrophoresis. A total number of 2673 protein spots including 255 hydrophobic structures were successfully analyzed by mass spectrometry. This nonsophisticated approach to increase protein identification of a brain protein extract is a step forward in neurochemistry. Keywords: mouse brain • prefractionation • MicroSol-IEF • solution isoelectricfocusing • mass spectrometry • MALDI • two-dimensional gel electrophoresis

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