Fig. 6

![Fig. 6: Summary of metabolic flux distribution in the optimized E. coli strain producing 5-HTP from glucose. The engineered pathway channels carbon flux through the shikimate and tryptophan branches toward efficient hydroxytryptophan formation.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9509612/bin/12934_2022_1920_Fig6_HTML.jpg)

> Source: Zhen Zhang et al. "Metabolic engineering of Escherichia coli for efficient production of L-5-hydrox." *Microbial cell factories*, 2022. PMID: [36153615](https://pubmed.ncbi.nlm.nih.gov/36153615/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9509612/bin/12934_2022_1920_Fig6_HTML.jpg" alt="Summary of metabolic flux distribution in the optimized E. coli strain producing 5-HTP from glucose. The engineered pathway channels carbon flux through the shikimate and tryptophan branches toward efficient hydroxytryptophan formation." />
  <figcaption>Fig. 6. Summary of metabolic flux distribution in the optimized E. coli strain producing 5-HTP from glucose. The engineered pathway channels carbon flux through the shikimate and tryptophan branches toward efficient hydroxytryptophan formation.<br>  Source: Zhen Zhang et al. "Metabolic engineering of Escherichia coli for efficient production of L-5-hydrox." <em>Microbial cell factories</em>, 2022. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/36153615/">36153615</a></figcaption>
</figure>