title: Letter: Enzymatic discrimination between diastereotopic enol faces in the dehydrase step of valine biosynthesis.
mesh_terms: D004926:Escherichia coli / Q000201:enzymology; D006836:Hydro-Lyases / Q000378:metabolism*; D008722:Methods; D013237:Stereoisomerism; D014631:Valerates; D014633:Valine / Q000096:biosynthesis*
chemical_list: D014631:Valerates; D006836:Hydro-Lyases; D014633:Valine