作者:Masahiro Fujihashi、Angelica M. Bello、Ewa Poduch、Lianhu Wei、Subhash C. Annedi、Emil F. Pai、Lakshmi P. Kotra
DOI:10.1021/ja054865u
日期:2005.11.1
Orotidine-5'-monophosphate decarboxylase (ODCase) has evolved to catalyze a decarboxylation reaction, most probably via a carbanion species at the C6 position of orotidine-5'-monophosphate. We reveal an unusual biochemical pathway of conversion of 6-cyano-uridine-5'-monophosphate by ODCase to barbiturate-5'-monophosphate via perhaps an electrophilic center at the C6 position, leading to inhibition
Orotidine-5'-monophosphate decarboxylase (ODCase) 已经进化为催化脱羧反应,最有可能是通过 orotidine-5'-monophosphate 的 C6 位置的碳负离子物种。我们揭示了 ODCase 将 6-cyano-uridine-5'-monophosphate 转化为 barbiturate-5'-monophosphate 的一种不寻常的生化途径,可能通过 C6 位置的亲电子中心,导致抑制。ODCase 的这种潜力在设计新型抑制剂时非常有用。