Reagents and methods for the digital analysis of proteins or peptides are provided. Specifically provided herein are proteins for identifying the N-terminal amino acid or N-terminal phosphorylated amino acid of a polypeptide. Also, an enzyme for use in the cleavage step of the Edman degradation reaction and a method for using this enzyme are described.
提供了用于蛋白质或肽的数字分析的试剂和方法。具体而言,本文提供了用于识别
多肽 N 端
氨基酸或 N 端
磷酸化
氨基酸的蛋白质。此外,还介绍了一种用于埃德曼降解反应裂解步骤的酶和使用这种酶的方法。