丙氨酸筛查库 (Alanine Scanning Peptide Library)
用来鉴别与多肽功能、稳定性和构象密切相关的特定的氨基酸位点。丙氨酸(Ala)是最小的手性氨基酸,通过将Ala系统性地、依次地替换序列中每一个氨基酸,来分辨出某一特定氨基酸对整个蛋白生物活性的影响。
应用领域
- 鉴定表位关键基团
- 评估酶的功能活性
- 研究蛋白的结合位点
|
参考文献
- Weiss GA, Watanabe CK, Zhong A, Goddard A, and Sidhu SS. Rapid mapping of protein functional epitopes by combinatorial alanine scanning. Proc. Natl. Acad. Sci. U S A. Aug 2000 1; 97(16): 8950-4.
- Richardson PL. The determination and use of optimized protease substrates in drug discovery and development. Curr. Pharm. Des. 2002; 8(28): 2559-81.
- Morrison KL, and Weiss GA. Combinatorial alanine-scanning. Curr. Opin. Chem. Biol. Jun 2001; 5(3): 302-7.
- Levine KB, Hamill S, Cloherty EK, and Carruthers A. Alanine scanning mutagenesis of the human erythrocyte glucose transporter putative ATP binding domain. Blood Cells Mol. Dis. Jan-Feb 2001; 27(1): 139-42.
- Sidhu SS, and Kossiakoff AA. Exploring and designing protein function with restricted diversity. Curr. Opin. Chem. Biol. Jun 2007; 11(3): 347-54.