نتایج جستجو برای: reductases
تعداد نتایج: 2628 فیلتر نتایج به سال:
Explosive-contaminated land poses a hazard both to the environment and to human health. Microbial enzymes, either in their native or heterologous hosts, are a powerful and low-cost tool for eliminating this environmental hazard. As many explosives have only been present in the environment for 10 years, and with similar molecules not known in Nature, the origin of enzymes specialized for the bre...
The ubiquity of arsenic in the environment has led to the evolution of enzymes for arsenic detoxification. An initial step in arsenic metabolism is the enzymatic reduction of arsenate [As(V)] to arsenite [As(III)]. At least three families of arsenate reductase enzymes have arisen, apparently by convergent evolution. The properties of two of these are described here. The first is the prokaryotic...
Ribonucleotide reductases catalyze a key step in DNA biosynthesis, using a diverse array of unprecedented metallo-cofactors to generate a transient protein radical that initiates nucleotide reduction. The new understanding of the chemistry and biochemistry of the system has allowed rational design of inhibitors of this process, which function as antitumor and antiviral agents.
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