Flavin-dependent thymidylate synthase: N5 of flavin as a Methylene carrier
نویسندگان
چکیده
منابع مشابه
Substrate Activation in Flavin-Dependent Thymidylate Synthase
Thymidylate is a critical DNA nucleotide that has to be synthesized in cells de novo by all organisms. Flavin-dependent thymidylate synthase (FDTS) catalyzes the final step in this de novo production of thymidylate in many human pathogens, but it is absent from humans. The FDTS reaction proceeds via a chemical route that is different from its human enzyme analogue, making FDTS a potential antim...
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In humans de novo synthesis of 2'-deoxythymidine-5'-monophosphate (dTMP), an essential building block of DNA, utilizes an enzymatic pathway requiring thymidylate synthase (TSase) and dihydrofolate reductase (DHFR). The enzyme flavin-dependent thymidylate synthase (FDTS) represents an alternative enzymatic pathway to synthesize dTMP, which is not present in human cells. A number of pathogenic ba...
متن کاملAccelerated Publications Mechanistic Studies of a Flavin-Dependent Thymidylate Synthase†
The ThyA gene that encodes for thymidylate synthase (TS) is absent in the genomes of a large number of bacteria, including several human pathogens. Many of these bacteria also lack the genes for dihydrofolate reductase (DHFR) and thymidine kinase and are totally dependent on an alternative enzyme for thymidylate synthesis. Thy1 encodes flavin-dependent TS (FDTS, previously denoted as TSCP) and ...
متن کاملMechanistic studies of a flavin-dependent thymidylate synthase.
The ThyA gene that encodes for thymidylate synthase (TS) is absent in the genomes of a large number of bacteria, including several human pathogens. Many of these bacteria also lack the genes for dihydrofolate reductase (DHFR) and thymidine kinase and are totally dependent on an alternative enzyme for thymidylate synthesis. Thy1 encodes flavin-dependent TS (FDTS, previously denoted as TSCP) and ...
متن کاملFlavin-dependent thymidylate synthase: a novel pathway towards thymine.
For several decades only one chemical pathway was known for the de novo biosynthesis of the essential DNA nucleotide, thymidylate. This reaction catalyzed by thyA or TYMS encoded thymidylate synthases is the last committed step in the biosynthesis of thymidylate and proceeds via the reductive methylation of uridylate. However, many microorganisms have recently been shown to produce a novel, fla...
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ژورنال
عنوان ژورنال: Archives of Biochemistry and Biophysics
سال: 2017
ISSN: 0003-9861
DOI: 10.1016/j.abb.2017.08.011