Labadie Guillermo R, Viswanathan Rajesh, Poulter C Dale
Department of Chemistry, University of Utah, Salt Lake City, UT 84112, USA.
J Org Chem. 2007 Nov 23;72(24):9291-7. doi: 10.1021/jo7017747. Epub 2007 Nov 3.
Eleven farnesyl diphosphate analogues, which contained omega-azide or alkyne substituents suitable for bioorthogonal Staudinger and Huisgen [3 + 2] cycloaddition coupling reactions, were synthesized. The analogues were evaluated as substrates for the alkylation of peptide cosubstrates by yeast protein farnesyl transferase. Five of the diphosphates were good alternative substrates for farnesyl diphosphate (FPP). Steady-state kinetic constants were measured for the active compounds, and the products were characterized by HPLC and LC-MS. Two of the analogues gave steady-state kinetic parameters (kcat and Km) very similar to those of the natural substrate.
合成了11种法尼基二磷酸类似物,这些类似物含有适用于生物正交施陶丁格反应和惠斯根[3 + 2]环加成偶联反应的ω-叠氮基或炔基取代基。这些类似物被评估为酵母蛋白法尼基转移酶对肽共底物进行烷基化反应的底物。其中五种二磷酸是法尼基二磷酸(FPP)的良好替代底物。测定了活性化合物的稳态动力学常数,并通过高效液相色谱(HPLC)和液相色谱-质谱联用(LC-MS)对产物进行了表征。其中两种类似物给出的稳态动力学参数(kcat和Km)与天然底物的非常相似。