在生物化学中,生物素化(英语:biotinylation)是指将生物素共价连接到蛋白质、核酸或其它分子上的过程。由于生物素的分子量不大(分子量为244.31),生物素化反应快速、高效且不易被干扰。生物素化的分子能通过生物素与链霉亲和素、亲和素互作,且不受高热、pH、蛋白酶解的影响。生物素与链霉亲和素、亲和素的结合特异且高效,因此这一互作在生物技术的许多领域有着广泛的应用。另外,多个生物素化分子可以发生交联来形成个科研人员感兴趣的蛋白,同时允许和多个链霉亲和素、亲和素、中性亲和素蛋白结合,增加了对此蛋白的检测灵敏度。此外还有大量的生物素化分子的应用有待开发。
延伸阅读
- Hermanson, G.T. Bioconjugate Techniques. Academic Press ISBN 0-12-342336-8
- Overview of Biotinylation (页面存档备份,存于互联网档案馆) - Includes additional information and figures of reactive groups, biotin and linker regions.
- Gao, Wenqing; Wu, Zengru; Bohl, Casey E.; Yang, Jun; Miller, Duane D.; Dalton, James T. Characterization of the in Vitro Metabolism of Selective Androgen Receptor Modulator Using Human, Rat, and Dog Liver Enzyme Preparations. Drug Metabolism and Disposition. 2005, 34 (2): 243–53. PMC 2039882 . PMID 16272404. doi:10.1124/dmd.105.007112.
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