Nucleic acid labeling compounds including the following structure are disclosed:
wherein A is a triphosphate group with apporpriate counterions, said counterions selected from the group consisting of H+, Na+, Li+, K+, and NH
4
+; X is O; Y is OH; Z is OH; L is selected from the group consisting of —CH═CH—C(O)—NH—CH
2
—CH
2
—NH—C(O)— and —CH
2
—CH
2
—C(O)—NH—CH
2
—CH
2
—NH—C(O); M is —(CH
2
)
45
—NH—, n is 1 and Q is biotin having the structure:
The labeling compounds are suitable for enzymatic attachment to a nucleic acid, either terminally or internally, to provide a mechanism of nucleic acid detection.
核酸标记化合物的结构如下:其中A是一个
三磷酸盐基团,带有适当的对离子,所述对离子选自H+、Na+、Li+、K+和NH4+组成的群体;X是O;Y是OH;Z是OH;L选自—CH═CH—C(O)—NH—
CH2— —NH—C(O)—和— — —C(O)—NH— — —NH—C(O)组成的群体;M是—( )45—NH—,n是1,Q是具有以下结构的
生物素:这些标记化合物适用于通过酶的连接方式附着到核酸上,无论是末端还是内部,以提供核酸检测的机制。