<i>N</i>-Phosphonocarbonylpyrrolidine Derivatives of Guanine: A New Class of Bi-Substrate Inhibitors of Human Purine Nucleoside Phosphorylase
作者:Dominik Rejman、Natalya Panova、Pavel Klener、Bokang Maswabi、Radek Pohl、Ivan Rosenberg
DOI:10.1021/jm201409u
日期:2012.2.23
evaluated as potential inhibitors of purine nucleoside phosphorylase (PNP) isolated from peripheral blood mononuclear cells (PBMCs) and cell lines of myeloid and lymphoid origin. Two compounds, (S)-3-(guanin-9-yl)pyrrolidin-1-N-ylcarbonylphosphonic acid (2a) and (3S,4R)-4-(guanin-9-yl)-3-hydroxypyrrolidin-1-N-ylcarbonylphosphonic acid (6a), were recognized as nanomolar competitive inhibitors of PNP isolated
吡咯烷核苷酸的完整系列,(3 R)-和(3 S)-3-(鸟嘌呤9-基)吡咯烷-1- N-基羰基膦酸和(3 S,4 R)-,(3 R,4合成了S)-,(3 S,4 S)-和(3 R,4 R)-4-(鸟嘌呤-9-基)-3-羟基吡咯烷-1--1- N-羰基膦酸,并作为潜在的抑制剂进行了评估外周血单个核细胞(PBMC)和骨髓和淋巴来源的细胞系分离的嘌呤核苷磷酸化酶(PNP)。两种化合物,(S)-3-(鸟嘌呤-9-基)吡咯烷基-1- N-基羰基膦酸(2a)和(3 S,4 R)-4-(鸟嘌呤9-基)-3-羟基吡咯烷-1--1- N-基羰基膦酸(6a)被认为是从细胞中分离的PNP的纳摩尔竞争性抑制剂线的K i值分别在16–100和10–24 nM的范围内。从PBMC中分离出的PNP的两种化合物的MESG K i和Pi K i值均较低,表明这些化合物可能是双底物抑制剂,同时占据了酶的磷酸盐和核苷结合位点。