使用TMT和PQD对蛋白酶解物进行相对定量

应用领域:

检测样品:

检测项目:

方案摘要

  简介:

  To demonstrate the benefits of the PQD-based quantitation of isobarically labeled peptides in protein digests.

  仪器:

  LTQ XL

  结论:

  • Optimization of PQD parameters for LC MS/MS analysis is important for reproducible and accurate protein quantitation.

  • The PQD fragmentation technique produces high quality MS/MS spectra with good signal to noise for TMT reporter ions.

  • The accuracy of the TMT ratios was better than 19% on the protein level.

  • Proteome Discoverer performs protein identification and protein quantitation using the MS/MS spectra generated by PQD. Reporter ion intensities of the MS/MS spectra were successfully used for peptide and protein quantitation.

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