A carbodiimide derivative of the formula:
W1-X-N=C=N-Y-W2-Z
wherein W1 is an aliphatic hydrocarbon group, a substituted or unsubstituted aryl group, a heteroaryl group, a tertiary amino group or a tertiary or quaternary ammonium group; -W2-Z is a quaternary ammonium group; X and Y are each independently a single bond or an alkylene group; and Z is a biotin group as defined herein. The derivative is useful as a labelling reagent for introducing a biotin group into a nucleic acid or a protein.
式中的碳二
亚胺衍
生物:
W1-X-N=C=N-Y-W2-Z
其中 W1 是脂肪族烃基、取代或未取代的芳基、杂芳基、叔
氨基或叔
铵或季
铵基团;-W2-Z 是季
铵基团;X 和 Y 各自独立地是单键或亚烷基;Z 是本文定义的
生物素基团。该衍
生物可用作将
生物素基团引入核酸或蛋白质的标记试剂。