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Threonine Dehydratase

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Definition: A pyridoxal-phosphate protein that catalyzes the deamination of THREONINE to 2-ketobutyrate and AMMONIA. The role of this enzyme can be biosynthetic or biodegradative. In the former role it supplies 2-ketobutyrate required for ISOLEUCINE biosynthesis, while in the latter it is only involved in the breakdown of threonine to supply energy. This enzyme was formerly listed as EC 4.2.1.16.      Other names Threonine Dehydrase; Threonine Deaminase; Threonine Ammonia Lyase; Dehydratase, Threonine; Dehydrase, Threonine; Deaminase, Threonine; Ammonia-Lyase, Threonine; Threonine Ammonia-Lyase
 
SubstanceCAS Registry & nameCategoriesSourceDrugs*
TdcA protein, E coli  0   *Trans-Activators *Escherichia coli Proteins Threonine Dehydratase. Mol Gen Genet 1993 Sep;240(3):395-402

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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