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In enzymology, phenylpyruvate tautomerase or Macrophage migration inhibitory factor () is an enzyme that catalyzes the chemical reaction :keto-phenylpyruvate enol-phenylpyruvate Phenylpyruvate tautomerase has also been found to exhibit the same keto-enol tautomerism for 4-Hydroxyphenylpyruvic acid, which is structurally similar to phenylpyruvate but contains an additional hydroxyl moiety in the para position of the aromatic ring.〔(The macrophage migration inhibitory factor MIF is a phenylpyruvate tautomerase. - FEBS Lett. 1997 Nov 3;417(1):85-8. )〕 This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting keto- and enol-groups. The systematic name of this enzyme class is phenylpyruvate keto---enol-isomerase. This enzyme is also called phenylpyruvic keto-enol isomerase. This enzyme participates in tyrosine metabolism and phenylalanine metabolism. ==Structural studies== As of late 2007, 7 structures have been solved for this class of enzymes, with PDB accession codes , , , , , , and . 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「Phenylpyruvate tautomerase」の詳細全文を読む スポンサード リンク
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