title: An enzymatic derivative double isotope assay for L -methionine.
mesh_terms: D000255:Adenosine Triphosphate / Q000032:analysis; D000311:Adrenal Glands / Q000032:analysis; D000818:Animals; D001923:Brain Chemistry; D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D004926:Escherichia coli / Q000201:enzymology; D007668:Kidney / Q000032:analysis; D008099:Liver / Q000032:analysis; D008168:Lung / Q000032:analysis; D008297:Male; D008433:Mathematics; D008715:Methionine / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D051381:Rats; D012436:S-Adenosylmethionine; D013154:Spleen / Q000032:analysis; D014166:Transferases; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D014316:Tritium; D012436:S-Adenosylmethionine; D000255:Adenosine Triphosphate; D008715:Methionine; D014166:Transferases