In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Kemp Elimination Catalyzed by Naturally Occurring Aldoxime Dehydratases, published in 2017, which mentions a compound: 271-95-4, mainly applied to aldoxime dehydratase heme distal histidine catalysis Kemp elimination; Kemp elimination; aldoxime dehydratase; biocatalysis; enzyme promiscuity; heterocycles, Electric Literature of C7H5NO.
Recently, the Kemp elimination reaction has been extensively studied in computational enzyme design of new catalysts, as no natural enzyme has evolved to catalyze this reaction. In contrast to in silico enzyme design, we were interested in searching for Kemp eliminase activity in natural enzymes with catalytic promiscuity. Based on similarities of substrate structures and reaction mechanisms, we assumed that the active sites of naturally abundant aldoxime dehydratases have the potential to catalyze the non-natural Kemp elimination reaction. We found several aldoxime dehydratases that are efficient catalysts of this reaction. Although a few natural enzymes have been identified with promiscuous Kemp eliminase activity, to the best of our knowledge, this is a rare example of Kemp elimination catalyzed by naturally occurring enzymes with high catalytic efficiency.
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Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI