EFFECT of choline and cystine on methyl group oxidation.
D002794:Choline / Q000494:pharmacology*; D003553:Cystine / Q000494:pharmacology*; D006801:Humans; D008715:Methionine / Q000378:metabolism*; D010084:Oxidation-Reduction
D003553:Cystine; D008715:Methionine; D002794:Choline
CHOLINE/effects; CYSTINE/effects; METHIONINE/metabolism