Specific inhibitor of puromycin-sensitive aminopeptidase with a homophthalimide skeleton: identification of the target molecule and a structure–activity relationship study
作者:Masato Komoda、Hiroki Kakuta、Hiroyasu Takahashi、Yasuyuki Fujimoto、Shizuo Kadoya、Fuminori Kato、Yuichi Hashimoto
DOI:10.1016/s0968-0896(00)00231-5
日期:2001.1
,3-dione (2: PIQ-22) was found to be a potent and specific inhibitor of puromycin-sensitive aminopeptidase (PSA). Lineweaver-Burk plot analysis showed that PSA is inhibited by PIQ-22 in a non-competitive manner. Structure -activity relationship studies indicated that tautomerism of the imidobenzoylketone group in the cyclic imide moiety of the PIQ-22 skeleton is important for the inhibitory activity
发现2-(2,6-二乙基苯基)-1,2,3,4-四氢异喹啉-1,3-二酮(2:PIQ-22)是嘌呤霉素敏感性氨基肽酶(PSA)的有效和特异性抑制剂。Lineweaver-Burk图分析表明,PSA被PIQ-22抑制为非竞争性方式。结构-活性关系研究表明,PIQ-22骨架的环状酰亚胺部分中的亚氨基苯甲酰基酮基的互变异构对于抑制活性很重要。