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New Chemical Reaction For DNA Production In Bacteria And Viruses Discovered

A team of researchers has discovered a new chemical reaction for producing one of the four nucleotides, or building blocks, needed to build DNA. The reaction includes an unusual first step, or mechanism, and unlike other known reactions that produce the DNA building block, uses an enzyme that speeds up, or catalyzes, the reaction without bonding to any of the compounds, or substrates, in the reaction. The chemical reaction discovered by the researchers uses an enzyme called flavin-dependent thymidylate synthase, or FDTS. The enzyme is coded by the thyX gene and has been found primarily in bacteria and viruses, including several human pathogens and biological warfare agents. In the future, scientists may use this knowledge for the development of new antibacterial and antiviral drugs.

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