ArticleBiochemistry2021
Mechanism of Deoxyguanosine Diphosphate Insertion by Human DNA Polymerase β.
Article in Biochemistry, 2021. 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, 2 citations in OpenAlex.
- Substrate energetics in non-templated DNA synthesis by terminal deoxynucleotidyl transferase.Nucleic acids research · 2026Article
- Structural basis of gap-filling DNA synthesis in the nucleosome by DNA Polymerase β.Nature communications · 2025Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
DNA polymerases play vital roles in the maintenance and replication of genomic DNA by synthesizing new nucleotide polymers using nucleoside triphosphates as substrates. Deoxynucleoside triphosphates (dNTPs) are the canonical substrates for DNA polymerases; however, some bacterial polymerases have been demonstrated to insert deoxynucleoside diphosphates (dNDPs), which lack a third phosphate group, the γ-phosphate. Whether eukaryotic polymerases can efficiently incorporate dNDPs has not been investigated, and much about the chemical or structural role played by the γ-phosphate of dNTPs remains unknown. Using the model mammalian polymerase (Pol) β, we examine how Pol β incorporates a substrate lacking a γ-phosphate [deoxyguanosine diphosphate (dGDP)] utilizing kinetic and crystallographic approaches. Using single-turnover kinetics, we determined dGDP insertion across a templating dC by Pol β to be drastically impaired when compared to dGTP insertion. We found the most significant impairment in the apparent insertion rate (
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