Syntheses are described of two analogues of porphobilinogen (PBG), a fluoro derivative 10 and a phosphonate 13, which are the first known unnatural substrates of PBG deaminase; when they act as inhibitors of the reaction of PBG, these compounds produce unusual sigmoidal kinetics, explained by their involvement as poor substrates in the particular mechanism of this enzyme.
该研究描述了两种
卟啉原(PBG)类似物(
氟衍
生物 10 和
膦酸盐 13)的合成过程,它们是 PBG 脱
氨酶的第一个已知非天然底物;当它们作为 PBG 反应的
抑制剂时,这些化合物会产生不寻常的西格玛动力学,其原因是它们在这种酶的特殊机制中是贫底物。