Quantitative mass spectrometry–based proteomics is highly versatile but not easily multiplexed. Isobaric labeling strategies allow mass spectrometry–based multiplexed proteome quantification; however, ratio distortion owing to protein quantification interference is a common effect. We present a two-proteome model (mixture of human and yeast proteins) in a sixplex isobaric labeling system to fully document the interference effect, and we report that applying triple-stage mass spectrometry (MS3) almost completely eliminates interference.
ABSTRACT
PUBLICATION RECORD
- Publication year
2011
- Venue
Nature Methods
- Publication date
2011-09-20
- Fields of study
Biology, Medicine, Chemistry
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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