Condensin pinches a short negatively supercoiled DNA loop during each round of ATP usage

B Martínez‐García, S Dyson, J Segura, A Ayats… - The EMBO …, 2023 - embopress.org
… , extrudes DNA loops using an ATPdependent mechanism that … , such external supercoils
could imply that condensinDNA … Here, using cryo‐EM and biochemical experiments we show …

Condensin-driven loop extrusion on supercoiled DNA

E Kim, AM Gonzalez, B Pradhan… - Nature structural & …, 2022 - nature.com
… electron-imaging 13 studies of condensin I from Xenopus … in an ATP-dependent manner.
Finally, we discuss how our in … for positively supercoiled DNA with those for relaxed DNA in the …

The regulation of DNA supercoiling across evolution

A Duprey, EA Groisman - Protein Science, 2021 - Wiley Online Library
… without melting DNA, as positively supercoiled DNA is more … and condensin (for an in-depth
recent review, see Reference 64). … ATP: the DNA-compacting DNA gyrase is ATP dependent, …

Condensin-mediated chromosome compaction at single-molecule resolution

S Datta - 2022 - archiv.ub.uni-heidelberg.de
… The aim of this work was to biochemically and biophysically … Ct condensin can compact
DNA in an ATP-dependent manner… stimulated by DNA (Figure 13) and that DNA compaction is …

The molecular mechanism of condensin in mitotic chromosome formation

M Tang - 2022 - discovery.ucl.ac.uk
condensin can unload from DNA in an ATPdependent … is whether the positive supercoiling
activity of condensin is strong … two main biochemical assays used to probe condensin-DNA

A hold-and-feed mechanism drives directional DNA loop extrusion by condensin

IA Shaltiel, S Datta, L Lecomte, M Hassler… - Science, 2022 - science.org
DNA passage but nevertheless allows ATP-dependent … -EM structures in conjunction with
biochemical mapping reveal a … safety belt in cohesin (12, 13) presumably allows for a frequent …

Keeping intracellular DNA untangled: A new role for condensin?

J Roca, S Dyson, J Segura, A Valdés… - …, 2022 - Wiley Online Library
… double-stranded DNA segment in an ATP dependent manner [ … similar to a fractal globule,
[ 13, 14 ] such that any segment of … However, in biological systems, specific DNA sequences …

The condensin holocomplex cycles dynamically between open and collapsed states

JK Ryu, AJ Katan, EO van der Sluis, T Wisse… - Nature structural & …, 2020 - nature.com
… these states in an ATP-dependent fashion. In addition, we find … findings imply for a mechanistic
model for SMC-mediated DNA… a new piece of DNA to reel it in 13,45 . Our observation that …

… reveals functional interplay of DNA sequence composition, transcriptional activity, and nucleosome positioning in driving DNA supercoiling and helix destabilization in …

K Krassovsky, RP Ghosh, BJ Meyer - Genome Research, 2021 - genome.cshlp.org
… in regulating diverse biological processes. Although … We showed that the condensin
dosage compensation … In this theory, called the “twin domain model,” positive supercoils

Ycs4 Subunit of Saccharomyces cerevisiae Condensin Binds DNA and Modulates the Enzyme Turnover

R Sarkar, ZM Petrushenko, DS Dawson… - Biochemistry, 2021 - ACS Publications
13−17) where a DNA loop trapped by the protein progressively elongates via an ATP-mediated
translocation. On the biochemical level, however, condensins … Lysines implicated in DNA