title: Cystathionine beta-synthase deficiency: observations on the biochemical lesion in a vitamin B6 non-responsive patient.
mesh_terms: D002478:Cells, Cultured; D003429:Cross Reactions; D003541:Cystathionine beta-Synthase / Q000276:immunology / Q000378:metabolism*; D004591:Electrophoresis, Polyacrylamide Gel; D005347:Fibroblasts / Q000201:enzymology; D006712:Homocystinuria / Q000201:enzymology* / Q000628:therapy; D006801:Humans; D006836:Hydro-Lyases / Q000378:metabolism*; D007525:Isoelectric Focusing; D008099:Liver / Q000201:enzymology; D011736:Pyridoxine / Q000627:therapeutic use; D012867:Skin / Q000201:enzymology
chemical_list: D006836:Hydro-Lyases; D003541:Cystathionine beta-Synthase; D011736:Pyridoxine