The present invention relates to methods allowing selective enrichment of N-terminal fragments of polypeptides and/or peptides from complex samples by combining a particular polypcptidc/pcptidc labeling and fractionation strategy with specific chemical and/or enzymatic reactions targeting the N-terminal fragments to be analyzed
本发明涉及通过将特定的
多肽/
多肽偶联体标记和分馏策略与针对待分析 N 端片段的特定
化学和/或酶反应相结合,从复杂样品中选择性富集
多肽和/或肽 N 端片段的方法。