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- W330139142 startingPage "1059" @default.
- W330139142 abstract "目的：对A族链球菌Fba蛋白McAb2所对应的表位进行定位。方法：以初步定位的表位区段为线索合成三段重叠多肽,dot-ELISA检测McAb2与合成肽的亲合力,并以McAb2为靶分子,利用噬菌体随机七肽库进行亲和筛选,用竞争ELISA鉴定阳性克隆。结果：dot-ELISA检测结果表明Fba100-112肽段与McAb2的结合能力最强。经过3轮亲和筛选后,随机挑选20个噬菌体克隆,竞争ELISA对其与McAb2的亲和力做检测,其中12个克隆显示较强的阳性结果。阳性克隆DNA测序,与Fba基因第100位氨基酸至110位氨基酸中ITPDL同源性较高。结论：通过dot-ELISA将A族链球菌Fba蛋白McAb2对应的表位定位于100~112位氨基酸,结果同噬菌体随机肽库筛选的核心氨基酸位置吻合。为进一步研制表位肽疫苗、研究Fba蛋白及其单克隆抗体的生物学功能奠定了基础。" @default.
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- W330139142 date "2009-01-01" @default.
- W330139142 modified "2023-09-23" @default.
- W330139142 title "A族链球菌（GAS）Fba蛋白单克隆抗体对应表位核心氨基酸的确定" @default.
- W330139142 hasPublicationYear "2009" @default.
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