Stereoselective antibodies to free alpha-hydroxy acids.

Stereoselective antibodies to free alpha-hydroxy acids.
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针对游离 α-羟基酸的立体选择性抗体。

DOI:
10.1002/jmr.741
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发表时间:
2005
期刊:
Journal of molecular recognition : JMR.
影响因子:
--
通讯作者:
Hofstetter,Oliver
Hofstetter,Oliver
中科院分区:
--
文献类型:
--
作者:
Zeleke,TigabuK;Zeleke,JessicaM;Hofstetter,Heike;Hofstetter,Oliver

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这项工作描述了对游离α-羟基酸的对映体表现出高立体选择性和类别特异性的抗体。由于抗体主要与立体中心周围的羧基-羟基-氢三联体相互作用,因此它们可用于多种结构不同的α-羟基酸(包括芳香族和脂肪族化合物,例如乳酸)的对映异构体分析。证明了此类抗体在色谱法中用于对映体分离的效用。对这些抗体和先前描述的抗α-氨基酸抗体的比较研究表明,这两种类型的抗体仅与具有相应靶结构和正确构型的分析物结合。因此,氨基取代α-羟基导致与抗α-羟基酸抗体的结合活性完全丧失,而α-氨基对于分析物与抗α-氨基酸抗体之间的相互作用是必不可少的。版权所有© 2005年约翰威利父子有限公司。
This work describes antibodies exhibiting high stereoselectivity and class‐specificity towards the enantiomers of free α‐hydroxy acids. Since the antibodies interact primarily with the carboxyl–hydroxyl–hydrogen triad about the stereogenic center, they are useful for enantiomer analysis of a variety of structurally different α‐hydroxy acids including aromatic and aliphatic compounds, e.g. lactic acid. The utility of such antibodies for enantiomer separation in chromatography was demonstrated. Comparative studies of these and previously described anti‐α‐amino acid antibodies revealed that both types of antibodies bind only to analytes that possess both the corresponding target structure and the correct configuration. Thus, substitution of an amino group for the α‐hydroxyl group results in a complete loss of binding activity with the anti‐α‐hydroxy acid antibodies, while an α‐amino group is essential for the interaction between analytes and anti‐α‐amino acid antibodies. Copyright © 2005 John Wiley & Sons, Ltd.
DOI: --
发表时间: 1976
影响因子: 5.6
作者:
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