Vitamin B 12-dependent methionine biosynthesis in HEp-2 cells.
D002247:Carbon Isotopes; D002294:Carcinoma, Squamous Cell / Q000378:metabolism*; D046508:Culture Techniques; D006710:Homocysteine / Q000378:metabolism; D006801:Humans; D007822:Laryngeal Neoplasms / Q000378:metabolism*; D008025:Ligases / Q000378:metabolism; D008715:Methionine / Q000096:biosynthesis*; D000644:Quaternary Ammonium Compounds; D011868:Radioisotopes; D013431:Sulfates; D014805:Vitamin B 12 / Q000378:metabolism*
D002247:Carbon Isotopes; D000644:Quaternary Ammonium Compounds; D011868:Radioisotopes; D013431:Sulfates; D006710:Homocysteine; D008715:Methionine; D008025:Ligases; D014805:Vitamin B 12