Fig. 1
From: Metabolic engineering Escherichia coli for efficient production of icariside D2
The artificial biosynthetic pathway of tyrosol glucosides in E. coli. Green arrows indicated the reactions catalyzed by the heterologous enzymes. 4HPP 4-hydroxyphenylpyruvate, 4HPAA 4-hydroxyphenylacetaldehyde, 4HPA 4-hydroxyphenylacetate, UDP glucose uridine 5, 9-diphosphoglucose. AT aminotransferase, KDC keto acid decarboxylase, TDC tyrosine decarboxylase, TYO tyramine oxidase, ADH alcohol dehydrogenase