A covalently reactive ligand analogue (CAL) of formula (1): wherein, L
1
. . . L
x
. . . L
m
are components defining a ligand determinant, L
x
is a component unit of the ligand determinant selected from the group consisting of an amino acid residue, sugar residue, a fatty acid residue and a nucleotide, L′ is a functional group of L
x
, Y″ is atom, covalent bond or linker, Y′ is an optional charged or neutral group Y is a covalently reactive electrophilic group that reacts specifically with a receptor that binds to said ligand determinant, and n is an integer from 1 to 1000 m is an integer from 1 to 30.
一种共价反应
配体类似物(CAL),其
化学式为(1):其中,L1...Lx...Lm是定义
配体决定因子的组成部分,Lx是从
氨基酸残基、糖残基、
脂肪酸残基和
核苷酸组成的
配体决定因子的组分单元,L'是Lx的功能基团,Y"是原子、共价键或连接剂,Y'是可选的带电或中性基团,Y是共价反应电子亲和性基团,其特异地反应于与所述
配体决定因子结合的受体,n是1至1000的整数,m是1至30的整数。