Topoisomerases as anticancer targets

JL Delgado, CM Hsieh, NL Chan… - Biochemical Journal, 2018 - portlandpress.com
Many cancer type-specific anticancer agents have been developed and significant
advances have been made toward precision medicine in cancer treatment. However …

DNA topoisomerases

NG Bush, K Evans-Roberts, A Maxwell - EcoSal Plus, 2015 - Am Soc Microbiol
DNA topoisomerases are enzymes that control the topology of DNA in all cells. There are
two types, I and II, classified according to whether they make transient single-or double …

Nucleotide-dependent domain movement in the ATPase domain of a human type IIA DNA topoisomerase

H Wei, AJ Ruthenburg, SK Bechis… - Journal of Biological …, 2005 - ASBMB
Type IIA DNA topoisomerases play multiple essential roles in the management of higher-
order DNA structure, including modulation of topological state, chromosome segregation …

Powering through ribosome assembly

BS Strunk, K Karbstein - Rna, 2009 - rnajournal.cshlp.org
Ribosome assembly is required for cell growth in all organisms. Classic in vitro work in
bacteria has led to a detailed understanding of the biophysical, thermodynamic, and …

Symmetry broken and rebroken during the ATP hydrolysis cycle of the mitochondrial Hsp90 TRAP1

D Elnatan, M Betegon, Y Liu, T Ramelot, MA Kennedy… - Elife, 2017 - elifesciences.org
Hsp90 is a homodimeric ATP-dependent molecular chaperone that remodels its substrate
'client'proteins, facilitating their folding and activating them for biological function. Despite …

Recent advances in understanding structure–function relationships in the type II topoisomerase mechanism

AJ Schoeffler, JM Berger - Biochemical Society Transactions, 2005 - portlandpress.com
DNA topos (topoisomerases) are complex, multisubunit enzymes that remodel DNA
topology. Members of the type II topo family function by passing one segment of duplex DNA …

Thirty years of Escherichia coli DNA gyrase: from in vivo function to single-molecule mechanism

M Nöllmann, NJ Crisona, PB Arimondo - Biochimie, 2007 - Elsevier
The level of negative DNA supercoiling of the Escherichia coli chromosome is tightly
regulated in the cell and influences many DNA metabolic processes including DNA …

[HTML][HTML] Structure of the topoisomerase VI‐B subunit: implications for type II topoisomerase mechanism and evolution

KD Corbett, JM Berger - The EMBO Journal, 2003 - embopress.org
Type IIA and type IIB topoisomerases each possess the ability to pass one DNA duplex
through another in an ATP‐dependent manner. The role of ATP in the strand passage …

The ancestral role of ATP hydrolysis in type II topoisomerases: prevention of DNA double-strand breaks

AD Bates, JM Berger, A Maxwell - Nucleic acids research, 2011 - academic.oup.com
Type II DNA topoisomerases (topos) catalyse changes in DNA topology by passing one
double-stranded DNA segment through another. This reaction is essential to processes such …

Gyrase and Topoisomerase IV: Recycling Old Targets for New Antibacterials to Combat Fluoroquinolone Resistance

JA Collins, N Osheroff - ACS Infectious Diseases, 2024 - ACS Publications
Beyond their requisite functions in many critical DNA processes, the bacterial type II
topoisomerases, gyrase and topoisomerase IV, are the targets of fluoroquinolone …