title: Methionine adenosyltransferase. A double-isotope derivative, enzymatic assay.
mesh_terms: D000255:Adenosine Triphosphate; D000818:Animals; D001921:Brain / Q000201:enzymology; D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D008099:Liver / Q000201:enzymology; D008297:Male; D008550:Melatonin / Q000032:analysis / Q000138:chemical synthesis; D008715:Methionine; D008722:Methods; D008780:Methyltransferases; D010870:Pineal Gland / Q000201:enzymology; D051381:Rats; D012436:S-Adenosylmethionine; D014166:Transferases / Q000032:analysis*; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D014316:Tritium; D012436:S-Adenosylmethionine; D000255:Adenosine Triphosphate; D008715:Methionine; D014166:Transferases; D008780:Methyltransferases; D008550:Melatonin