N<sup>ε</sup>-Methanesulfonyl-lysine as a non-hydrolyzable functional surrogate for N<sup>ε</sup>-acetyl-lysine
作者:Nuttara Jamonnak、David G. Fatkins、Lanlan Wei、Weiping Zheng
DOI:10.1039/b617185k
日期:——
Through parallel studies on peptides containing Nε-methanesulfonyl-lysine or Nε-acetyl-lysine, Nε-methanesulfonyl-lysine as a replacement for Nε-acetyl-lysine was shown i) not to compromise the binding affinity for a bromodomain, ii) to confer resistance to human HDAC8 and SIRT1 (two distinct protein deacetylases), and iii) to confer only weak inhibition against human HDAC8 and SIRT1. These results suggested Nε-methanesulfonyl-lysine as a non-hydrolyzable functional surrogate for Nε-acetyl-lysine.
通过对含有 Nδµ-甲磺酰基-赖氨酸或 Nδµ-乙酰基-赖氨酸的肽进行平行研究,发现 Nδµ-甲磺酰基-赖氨酸作为 Nδµ-乙酰基-赖氨酸的替代物,i) 不会损害与溴域的结合亲和力,ii) 对人类 HDAC8 和 SIRT1(两种不同的蛋白去乙酰化酶)具有抗性,iii) 对人类 HDAC8 和 SIRT1 只具有微弱的抑制作用。这些结果表明,Nδµ-甲磺酰基赖氨酸是 Nδµ-乙酰基赖氨酸的一种不可水解的功能替代物。