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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 Pyruvate formate lyase ： ウィキペディア英語版 Pyruvate formate lyase Pyruvate formate lyase (PFL) () is an enzyme found in ''Escherichia coli'' and other organisms. It helps regulate anaerobic glucose metabolism. Using radical non-redox chemistry, it catalyzes the reversible conversion of pyruvate and coenzyme-A into formate and acetyl-CoA. The reaction occurs as follows: ==Structure== Pyruvate formate lyase is a homodimer made of 85 kDa, 759-residue subunits. It has a 10-stranded beta/alpha barrel motif into which is inserted a beta finger that contains major catalytic residues. The active site of the enzyme, elucidated by x-ray crystallography, holds three essential amino acids that perform catalysis (Gly734, Cys418, and Cys419), three major residues that hold the substrate pyruvate close by (Arg435, Arg176, and Ala272), and two flanking hydrophobic residues (Trp333 and Phe432).() Studies have found structural similarities between the active site of pyruvate formate lyase and that of Class I and Class III ribonucleotide reductase (RNR) enzymes.() 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「Pyruvate formate lyase」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.