该蛋白质与亲和素的结合与生物素及亲和素的糖链部分无关。
The binding of the protein to avidin is not related to biotin or the oligosaccharide chain of avidin.
因为它的强高亲和力非共价结合，链霉素亲和素可以用于检测和分离生物素化的蛋白（1.2）。
Because of its strong non-covalent interaction with biotin, streptavidin can be used to isolate biotinylated proteins (1,2).
结论在明胶亲和柱体积不变的条件下，制备纤维蛋白结合素的量与血浆加样量、血浆在柱内停留时间密切相关。
CONCLUSION: in a given column volume of gelatin, the quantity of purified fibronectin was closely related with the plasma retention time in column and the total loading amount of plasma.
链霉素亲和素是从链霉亲生物素蛋白中分离出来的53，000道尔顿的同源四聚体（3），每一个链霉素亲和素的亚基可以与维生素形成高亲和力非共价结合。
Streptavidin is a 53,000 dalton tetrameric protein purified from the bacterium Streptomyces avidinii (3). Each subunit binds to biotin with extremely high affinity.
链霉素亲和素是从链霉亲生物素蛋白中分离出来的53，000道尔顿的同源四聚体（3），每一个链霉素亲和素的亚基可以与维生素形成高亲和力非共价结合。
Streptavidin is a 53,000 dalton tetrameric protein purified from the bacterium Streptomyces avidinii (3). Each subunit binds to biotin with extremely high affinity.
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