将环丙烷底物类似物1设计为3-异丙基苹果酸脱氢酶(IPMDH)的基于机理的抑制剂,该酶是必需氨基酸1-亮氨酸生物合成途径中倒数第二步的速率决定酶。从苹果酸二乙酯(R)的5个步骤中进行1的合成。正如从时间依赖性和动力学分析得出的那样,1似乎是IPMDH的竞争性和基于机理的抑制剂(K i = 1.9 mM)。因此,1被认为是底物并被IPMDH氧化。建议抑制机制正在减慢脱羧步骤。
[EN] DE NOVO METABOLIC PATHWAYS FOR ISOPRENE BIOSYNTHESIS<br/>[FR] VOIES MÉTABOLIQUES DE NOVO POUR LA BIOSYNTHÈSE D'ISOPRÈNE
申请人:COELHO PEDRO S
公开号:WO2014066892A1
公开(公告)日:2014-05-01
The invention provides non-naturally occurring metabolic pathways for anaerobic fermentation of isoprene from glucose at 0.324 g g-1 theoretical yield. The invention additionally provides methods of cloning microorganisms with such pathways to produce isoprene and derivatives thereof.