ArticleThe journal of physical chemistry. B2016
The Missing Electrostatic Interactions Between DNA Substrate and Sulfolobus solfataricus DNA Photolyase: What is the Role of Charged Amino Acids in Thermophilic DNA Binding Proteins?
Article in The journal of physical chemistry. B, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Measuring electronic structure properties of flavins and flavoproteins by electronic Stark spectroscopy.Methods in enzymology · 2019Article
- Characterization of a cold-adapted DNA photolyase from C. psychrerythraea 34H.Extremophiles : life under extreme conditions · 2017Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
DNA photolyase can be used to study how a protein with its required cofactor has adapted over a large temperature range. The enzymatic activity and thermodynamics of substrate binding for protein from Sulfolobus solfataricus were directly compared to protein from Escherichia coli. Turnover numbers and catalytic activity were virtually identical, but organic cosolvents may be necessary to maintain activity of the thermophilic protein at higher temperatures. UV-damaged DNA binding to the thermophilic protein is less favorable by ∼2 kJ/mol. The enthalpy of binding is ∼10 kJ/mol less exothermic for the thermophile, but the amount and type of surface area buried upon DNA binding appears to be somewhat similar. The most important finding was observed when ionic strength studies were used to separate binding interactions into electrostatic and nonelectrostatic contributions; DNA binding to the thermophilic protein appears to lack the electrostatic contributions observed with the mesophilic protein.
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Registered trials
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