对B27与抗原肽复合物晶体结构的研究表明，B27与抗原肽结合具有特异性和可塑性，不同亚型具有不同的结合特点。

Research about crystal structure of HLA-B27-peptide complexes suggested the specificity and plasticity of peptide-binding and subtypes dependent binding features.

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目的探讨在不同的免疫学检测方法中，与单链抗体相连的亲和标记肽对单链抗体与抗原结合活性的影响。

Objective to investigate the affects of affinity tag on binding activity of single chain variable fragment (ScFv) to antigen using different immunological assays.

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本发明涉及一种结合了SARS抗原肽的四聚体及其制备和用途。

This invention relates to a tetramer combined with SARS antigen peptide and its preparation and use.

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They also have binding sites for antigen, but they are sort of two IgG type molecules bound together by another peptide chain.

同样IgA抗体表面也有与抗原结合位点,但它们就像两个IgG型分子,通过肽链相互连接

耶鲁公开课 - 生物医学工程探索课程节选