A system for carbon fixation is provided. The system comprises enzymes which catalyze reactions of a carbon fixation pathway, wherein at least one of the reactions of the carbon fixation pathway is a carboxylation reaction, wherein products of the reactions of the carbon fixation pathway comprise oxaloacetate and malonyl-CoA, wherein an enzyme which performs the carboxylation reaction is selected from the group consisting of phophoenolpyruvate (PEP) carboxlase, pyruvate carboxylase and acetyl-CoA carboxylase and wherein an export product of the carbon fixation pathway is glyoxylate. Additional carbon fixation pathways are also provided and methods of generating same.
提供了一种碳固定系统。该系统包括催化碳固定途径反应的酶,其中碳固定途径的至少一个反应是羧化反应,碳固定途径反应的产物包括
草酰乙酸和丙二酰-CoA、其中进行羧化反应的酶选自
磷烯醇丙酮酸(PEP)羧化酶、
丙酮酸羧化酶和乙酰-CoA 羧化酶组成的组,碳固定途径的输出产物为
乙醛酸。还提供了其他碳固定途径及其生成方法。