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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク L-allo-threonine aldolase ： ウィキペディア英語版 L-allo-threonine aldolase L-allo-threonine aldolase (GLY1, ) is an enzyme catalyzing the conversion between L-allo-threonine (unusual stereoisomer) 〔Liu JQ, Dairi T, Itoh N, Kataoka M, Shimizu S, Yamada H. (1998) Gene cloning, biochemical characterization and physiological role of a thermostable low-specificity L-threonine aldolase from Escherichia coli. Eur J Biochem. 1998 Jul 1;255(1):220-6, PMID (9692922 )〕 on one side and glycine plus acetaldehyde on another side. Artificial disabling (knockout) of this enzyme in wild bacteria has no significant effect. However such disabling suppresses the growth of mutants that already lack other enzyme, serine hydroxymethyltransferase. Hence L-allo-threonine aldolase provides the alternative pathway for cellular glycine when serine hydroxymethyltransferase is inert.〔 ''E.coli'' L-allo-threonine aldolase is a highly termostable enzyme (survives 60 degrees C), this can be used for purification. The enzyme is specific for L-allo-threonine and can not act on the more common L-threonine. It is different from (L-threonine aldolase) and (less specific enzyme that acts on both L-threonine and L-allo-threonine). A previously listed enzyme with highly similar name (allothreonine aldolase, past ), was deleted in 1971 after it was found to be identical to EC 2.1.2.1. This enzyme may also present in animals and plants,〔(NCBI Unigene record Zm.80943 ), listing various species where enzyme homologs are present.〕 including mouse. == References == 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「L-allo-threonine aldolase」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.