title: Biosynthesis of Se-methylselenocysteine and S-methylcysteine in Astragalus bisculcatus. Origin of the selenomethyl and the thiomethyl groups.
mesh_terms: D002247:Carbon Isotopes; D002854:Chromatography, Paper; D003540:Cystathionine / Q000096:biosynthesis / Q000378:metabolism; D003545:Cysteine / Q000096:biosynthesis* / Q000378:metabolism; D008715:Methionine / Q000378:metabolism; D008745:Methylation; D010944:Plants / Q000378:metabolism*; D011868:Radioisotopes; D012436:S-Adenosylmethionine / Q000378:metabolism; D012643:Selenium / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D011868:Radioisotopes; D003540:Cystathionine; D012436:S-Adenosylmethionine; D008715:Methionine; D012643:Selenium; D003545:Cysteine