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Curr Opin Biotechnol. 2002 Feb;13(1):57-64.

Ion/ion chemistry as a top-down approach for protein analysis.

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  • 1Research Triangle Institute, 3040 Cornwallis Road, PO Box 12194, Research Triangle Park, NC 27709-2194, USA. stephensonjl@rti.org

Abstract

Developing methodology for analyzing complex protein mixtures in a rapid fashion is one of the most challenging problems facing analytical biochemists today. Recent advances in mass spectrometry for the analysis of intact proteins (i.e. the top-down approach) show great promise for rapid protein identification. The ion/ion chemistry approach for the detection and identification of target proteins in complex matrices, determination of fragmentation channels as a function of precursor ion charge state, and post-translational modification characterization are discussed with particular emphasis on tandem mass spectrometry of intact proteins.

PMID:
11849959
[PubMed - indexed for MEDLINE]
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