A new derivatization reagent,tributylsilyl isothiocyanate(TBuS ITC),is applied to C_terminal sequence analysis of peptides.

• 报道了一种新的用于化学降解法蛋白质C 端序列分析的偶联试剂三丁基硅异硫氰酸酯 (tributylsilylisothiocyanate；TBuS ITC) .