Fig. 3From: Strategies for efficient production of recombinant proteins in Escherichia coli: alleviating the host burden and enhancing protein activityThe optimization strategies to enhance PTMs. A Principle of disulfide bond formation in the cytoplasm using the CyDisCo system. B Modification process of phosphorylation and acetylation. P: phosphonate; AC: acetyl. C Modification process of glycosylation by overexpression of a heterologous N/O-glycosylase. D Introduction of PTMs via ncAA. The figure shows the principle of phosphoserine introductionBack to article page