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What is Pyridoxine is involved in and explain in detail?
Pyridoxine is involved in trans-sulfuration.Sulfur-Containing Amino Acids PLP plays an impoant role in methionine and cysteine metabolism. a.Homocysteine + Serine - Cystathionine. (Enzyme Cystathionine synthase) b.Cystathionine - Homoserine + Cysteine (Enzyme Cystathionase) Both these reactions require PLP. Here transfer of sulphur group occurs.Ref: DM Vasudevan - Textbook of Biochemistry, 6th edition, page no: 396