Hydroxyurea—the good, the bad and the ugly
MW Musiałek, D Rybaczek - Genes, 2021 - mdpi.com
Hydroxyurea (HU) is mostly referred to as an inhibitor of ribonucleotide reductase (RNR)
and as the agent that is commonly used to arrest cells in the S-phase of the cycle by …
and as the agent that is commonly used to arrest cells in the S-phase of the cycle by …
Ribonucleotide reductases: structure, chemistry, and metabolism suggest new therapeutic targets
Ribonucleotide reductases (RNRs) catalyze the de novo conversion of nucleotides to
deoxynucleotides in all organisms, controlling their relative ratios and abundance. In doing …
deoxynucleotides in all organisms, controlling their relative ratios and abundance. In doing …
Inhibitors of the cancer target ribonucleotide reductase, past and present
SE Huff, JM Winter, CG Dealwis - Biomolecules, 2022 - mdpi.com
Ribonucleotide reductase (RR) is an essential multi-subunit enzyme found in all living
organisms; it catalyzes the rate-limiting step in dNTP synthesis, namely, the conversion of …
organisms; it catalyzes the rate-limiting step in dNTP synthesis, namely, the conversion of …
Radicals in biology: your life is in their hands
JA Stubbe, DG Nocera - Journal of the American Chemical …, 2021 - ACS Publications
Radicals in biology, once thought to all be bad actors, are now known to play a central role
in many enzymatic reactions. Of the known radical-based enzymes, ribonucleotide …
in many enzymatic reactions. Of the known radical-based enzymes, ribonucleotide …
Metabolic clogging of mannose triggers dNTP loss and genomic instability in human cancer cells
Y Harada, Y Mizote, T Suzuki, A Hirayama, S Ikeda… - Elife, 2023 - elifesciences.org
Mannose has anticancer activity that inhibits cell proliferation and enhances the efficacy of
chemotherapy. How mannose exerts its anticancer activity, however, remains poorly …
chemotherapy. How mannose exerts its anticancer activity, however, remains poorly …
Cryo-EM structure of the EBV ribonucleotide reductase BORF2 and mechanism of APOBEC3B inhibition
Viruses use a plethora of mechanisms to evade immune responses. A recent example is
neutralization of the nuclear DNA cytosine deaminase APOBEC3B by the Epstein-Barr virus …
neutralization of the nuclear DNA cytosine deaminase APOBEC3B by the Epstein-Barr virus …
Effects of chameleon dispense-to-plunge speed on particle concentration, complex formation, and final resolution: A case study using the Neisseria gonorrhoeae …
Ribonucleotide reductase (RNR) is an essential enzyme that converts ribonucleotides to
deoxyribonucleotides and is a promising antibiotic target, but few RNRs have been …
deoxyribonucleotides and is a promising antibiotic target, but few RNRs have been …
Ribonucleotide reductase, a novel drug target for gonorrhea
J Narasimhan, S Letinski, SP Jung, A Gerasyuto… - Elife, 2022 - elifesciences.org
Abstract Antibiotic-resistant Neisseria gonorrhoeae (Ng) are an emerging public health
threat due to increasing numbers of multidrug resistant (MDR) organisms. We identified two …
threat due to increasing numbers of multidrug resistant (MDR) organisms. We identified two …
How ATP and dATP act as molecular switches to regulate enzymatic activity in the prototypical bacterial class Ia ribonucleotide reductase
MA Funk, CM Zimanyi, GA Andree, AE Hamilos… - Biochemistry, 2024 - ACS Publications
Class Ia ribonucleotide reductases (RNRs) are allosterically regulated by ATP and dATP to
maintain the appropriate deoxyribonucleotide levels inside the cell for DNA biosynthesis …
maintain the appropriate deoxyribonucleotide levels inside the cell for DNA biosynthesis …
Nucleotide depletion promotes cell fate transitions by inducing DNA replication stress
Control of cellular identity requires coordination of developmental programs with
environmental factors such as nutrient availability, suggesting that perturbing metabolism …
environmental factors such as nutrient availability, suggesting that perturbing metabolism …