ArticleMolecular biology reports2021
Ribonucleotide reductase: In-vitro S-glutathionylation of R2 and p53R2 subunits of mammalian class I ribonucleotide reductase protein.
Article in Molecular biology reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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, 3 citations in OpenAlex.
- Harmane induces apoptosis through RRM2B and suppresses colorectal cancer progression.mSystems · 2026Article
- Glutathione-dependent thioredoxin reduction and lipoamide system support in-vitro mammalian ribonucleotide reductase catalysis: a possible antioxidant redundancy.Molecular biology reports · 2022Article
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
Abstract
Ribonucleotide reductases (RNR) catalyze the rate-limiting step in DNA synthesis during the S-phase of the cell cycle. Its constant activity in order to maintain dNTP homeostasis is a fascinating area of research and an attractive candidate for cancer research and antiviral drugs. Redox modification such as S-glutathionylation of the R1 subunit of mammalian RNR protein has been presumed to regulate the activity of RNR during catalytic cycles. Herein, we report S-glutathionylation of the R2 subunit. We have also shown Grx1 system can efficiently deglutathionylate the S-glutathionylated R2 subunit. Additionally, our data also showed for the very first time S-glutathionylation of mammalian p53R2 subunit that regulates DNA synthesis outside S-phase during DNA damage and repair. Taken together, these data will open new avenues for future research relating to exact physiological significance, target thiols, and/or overall RNR activity due to S-glutathionylation of R2 and p53R2 subunits and provide valuable insights for effective treatment regimes.
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