FIG. 1.
The ECA biosynthetic pathway (based on reference 2). Individual genetic loci are shown next to each enzymatic reaction. Genes relevant for this work are boxed. Abbreviations: Und-P, undecaprenyl monophosphate; Glc, glucose; ManNAc, N-acetyl-d-mannosamine; Glc-1-P, glucose 1-phosphate; FucNH2, 4-amino-4,6-dideoxy-d-glucose; Fuc4NAc, 4-acetamido-4,6-dideoxy-d-galactose; CoASH, coenzyme A; α-KG, α-ketoglutaric acid; PPi, inorganic pyrophosphate.