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Keywords: supercoiling
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Articles
Biochem Soc Trans (2013) 41 (2): 491–493.
Published: 21 March 2013
... ( andrzej.stasiak@unil.ch ). 24 1 2013 © The Authors Journal compilation © 2013 Biochemical Society 2013 catenane chromatin chromosome DNA knot protein folding recombinase supercoiling topoisomerase The structure and function of DNA and proteins are affected by the topology...
Articles
Biochem Soc Trans (2013) 41 (2): 646–651.
Published: 21 March 2013
...Jorge B. Schvartzman; María-Luisa Martínez-Robles; Pablo Hernández; Dora B. Krimer DNA topology changes dynamically during DNA replication. Supercoiling, precatenation, catenation and knotting interplay throughout the process that is finely regulated by DNA topoisomerases. In the present article...
Articles
Biochem Soc Trans (2013) 41 (2): 565–570.
Published: 21 March 2013
... by Du et al. [ 35 ] who systematically probed circles of sizes between 63 and 205 bp for disruptions using endonucleases that digest non-canonical DNA. However, kinks were not detected due to bending stress alone in circles of ~90 bp. These experiments also showed that supercoiling very small DNA...
Articles
Biochem Soc Trans (2013) 41 (2): 554–558.
Published: 21 March 2013
...David Swigon; Sookkyung Lim; Yongsam Kim In the present article, we summarize our recent studies of DNA dynamics using the generalized immersed boundary method. Our analysis of the effects of electrostatic repulsion on the dynamics of DNA supercoiling revealed that, after perturbation, a pre...
Articles
Biochem Soc Trans (2010) 38 (2): 438–442.
Published: 22 March 2010
...Andrew D. Bates; Anthony Maxwell Type II DNA topoisomerases catalyse changes in DNA topology in reactions coupled to the hydrolysis of ATP. In the case of DNA gyrase, which can introduce supercoils into DNA, the requirement for free energy is clear. However, the non-supercoiling type II enzymes...
Articles
Biochem Soc Trans (2005) 33 (6): 1460–1464.
Published: 26 October 2005
... couples the free energy of ATP hydrolysis to the introduction of negative supercoiling, and the structural details of this process are now becoming clearer. The homologous type IIA enzymes such as topo IV and eukaryotic topo II also require ATP and it has more recently been shown that the energy...