Compositions and methods directed to a glycan reagent for depolymerization of a glycan having a reducing end, the glycan reagent being represented by the formula MCX, in which M is a glycan coupling group selected from oxylamines and hydrazides; C is a fixed charge group or a basic group having a proton affinity of at least 210 kcal/mol; and X is hydrogen or a free radical initiator chemically coupled to C.
本发明涉及一种用于降解具有还原端的糖基的糖基试剂的组合物和方法,所述糖基试剂由公式
MCX表示,其中M是选择自
氧胺和
肼的糖基偶联基;C是固定电荷基团或具有至少210 kcal/mol质子亲和力的碱性基团;X是
氢或
化学偶联到C的自由基
引发剂。