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|Section2= }} Isoglutamine or α-glutamine is a gamma amino acid derived from glutamic acid by substituting the carboxyl group in position 1 with an amide group.〔(Drugs.com: Isoglutamine )〕 This is in contrast to the proteinogenic amino acid glutamine, which is the 5-amide of glutamic acid. Isoglutamine can form the C-terminus of a peptide chain, as in muramyl dipeptide (MDP), a constituent of bacterial cell walls. It can also occur inside a peptide chain, in which case the chain is continued at the carboxyl group and isoglutamine behaves as a γ-amino acid, as in mifamurtide, a synthetic derivative of MDP used to treat osteosarcoma. ==Stereochemistry== Substituting L-glutamic acid, the proteinogenic enantiomer, gives L-isoglutamine, which has ''S'' configuration. D-Isoglutamine, the derivative of the nonproteinogenic D-glutamic acid, has ''R'' configuration. The latter is the form occurring in MDP and mifamurtide. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「isoglutamine」の詳細全文を読む スポンサード リンク
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