| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for performing efficiently manifestation difference analysis of many trace proteins existing in a sample, by improving an isotope labeling method using a cICAT reagent, and to provide a system therefor. SOLUTION: A manifestation difference analysis means of a protein using isotope labeling has characteristics, wherein a tag is split from a peptide labeled by the cICAT reagent, and the acquired labeled peptide is separated, purified and subjected to mass spectrometry. COPYRIGHT: (C)2007,JPO&INPIT
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