这个词是什么意思？
An NAD+ dependent enzyme that catalyzes the oxidation of 3-carboxy-2-hydroxy-4-methylpentanoate to 3-carboxy-4-methyl-2-oxopentanoate. It is involved in the biosynthesis of VALINE; LEUCINE; and ISOLEUCINE.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D050539 · MeSH 2026。
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