<p><b>(<i>R</i>,<i>R</i>)-丁二醇脫氫酶</b>（英語：<span lang="en">(<i>R</i>,<i>R</i>)-butanediol dehydrogenase</span>，EC 1.1.1.4（頁面存檔備份，存於網際網路檔案館））是一種以NAD<sup>+</sup>或NADP<sup>+</sup>為受體、作用於供體CH-OH基團上的氧化還原酶。這種酶能催化以下酶促反應：
</p>
<dl><dd>(<i>2R</i>,<i>3R</i>)-(–)-2,3-丁二醇 + NAD<sup>+</sup> <span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rightleftharpoons }">
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    <annotation encoding="application/x-tex">{\displaystyle \rightleftharpoons }</annotation>
  </semantics></math></span></span> (<i>R</i>)-乙偶姻 + NADH + H<sup>+</sup></dd></dl><p>(<i>R</i>,<i>R</i>)-丁二醇脫氫酶主要參與丁酸的代謝過程。
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<h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**(_R_,_R_)- 丁二醇脫氫酶**（英語：(_R_,_R_)-butanediol dehydrogenase，EC 1.1.1.4（頁面存檔備份，存於網際網路檔案館））是一種以 NAD+ 或 NADP+ 為受體、作用於供體 CH-OH 基團上的氧化還原酶。這種酶能催化以下酶促反應：

　
: (_2R_,_3R_)-(–)-2,3 - 丁二醇 + NAD+ $\rightleftharpoons $ (_R_)- 乙偶姻 + NADH + H+

(_R_,_R_)- 丁二醇脫氫酶主要參與丁酸的代謝過程。

## 參考文獻
(R,R)-丁二醇脱氢酶