title: Synthesis of L-[alpha15N] aminobutyric acid, L-[15N]methionine and L-[15N]valine by the use of beef heart glutamate dehydrogenase.
mesh_terms: D000613:Aminobutyrates / Q000096:biosynthesis*; D000818:Animals; D002417:Cattle; D002849:Chromatography, Gas; D005969:Glutamate Dehydrogenase / Q000378:metabolism*; D008099:Liver / Q000201:enzymology; D013058:Mass Spectrometry; D008715:Methionine / Q000096:biosynthesis*; D009206:Myocardium / Q000201:enzymology*; D009587:Nitrogen Isotopes; D009904:Optical Rotation; D014633:Valine / Q000096:biosynthesis*
chemical_list: D000613:Aminobutyrates; D009587:Nitrogen Isotopes; D008715:Methionine; D005969:Glutamate Dehydrogenase; D014633:Valine