申请人:SAVID THERAPEUTICS INC.
公开号:US20160137704A1
公开(公告)日:2016-05-19
It is an object of the present invention to provide a mutant streptavidin with a reduced affinity for natural biotin, and also to provide a modified biotin having a high affinity for the mutant streptavidin with a reduced affinity for natural biotin. According to the present invention, there is provided a reagent kit for use in treatments or diagnoses, which comprises: (a) a mutant streptavidin with a reduced affinity for natural biotin or biocytin; and a modified biotin having a high affinity for the above-described mutant streptavidin.
本发明的目的是提供一种突变链霉亲和素,其对天然生物素的亲和力降低,并提供一种修饰的生物素,其对该突变链霉亲和素具有高亲和力,同时降低对天然生物素的亲和力。根据本发明,提供了一种用于治疗或诊断的试剂盒,包括:(a)一种对天然生物素或生物肽生物素的亲和力降低的突变链霉亲和素;以及一种对上述突变链霉亲和素具有高亲和力的修饰生物素。