Results 161 to 170 of about 7,436 (214)

Real-time imaging of rotation during synthesis by the replisome. [PDF]

Sci Adv
Retzer TM, Rajappa LT, Takahashi M, Hamdan SM, Duderstadt KE.   +4 more
europepmc   +1 more source

Structural characterisation of chromatin remodelling intermediates supports linker DNA-dependent product inhibition as a mechanism for nucleosome spacing. [PDF]

Elife
Hughes AL, Sundaramoorthy R, Owen-Hughes T.   +2 more
europepmc   +1 more source

RNAPII and DNA supercoiling regulate cohesin engagement in neurons. [PDF]

Nucleic Acids Res
Crewe M, Delint-Ramirez I, Halawa O, Heady L, Madabhushi R.   +4 more
europepmc   +1 more source

Flipons enable genomes to learn by intermediating the exchange of energy for information. [PDF]

J R Soc Interface
Herbert A.
europepmc   +1 more source

Cryo-EM reveals open and closed Asgard chromatin assemblies

Ranawat HM, Cajili MK, Lopez-Barbosa N, Quail T, Dame RT, Dodonova SO.   +5 more
europepmc   +1 more source

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Circular dichroism of superhelical DNA

Biopolymers, 1971
AbstractThe circular dichroism (CD) spectra of a number of superhelical DNA's have been measured. The introduction of negative superhelical turns causes an increase in magnitude of the positive band around 280 mμ, while the trough around 250mμ is little affected.
M F Maestre
exaly   +3 more sources

Thermodynamic properties of superhelical DNAs

Biochemistry, 1975
Binding isotherms of ethidium to the superhelical DNA from phage PM2, and to PM2 DNA containing -1 single-chain scission per molecule, have been determined at six temperatures from 2.5 to 50 degrees, in 3M CsCl-0.01 M Na3EDTA. Spectrophotometric measurements in both the visible and ultraviolet (uv) regions were used to obtain the binding isotherms. The
Tao-Shih Hsieh, T S Hsieh, James C Wang
exaly   +3 more sources

Probing DNA−DNA Electrostatic Friction in Tight Superhelical DNA Plies [PDF]

The Journal of Physical Chemistry B, 2009
We estimate theoretically the strength of DNA-DNA electrostatic friction forces emerging upon a slow drag of one DNA over another one in a close juxtaposition. For ideally helical DNA duplexes, this friction occurs due to correlations in electrostatic potential near the DNA surface. The latter originate from the intrinsic helicity of DNA phosphates and
Cherstvy, A.
openaire   +3 more sources

Superhelical DNA

Trends in Biochemical Sciences, 1980
James C Wang
exaly   +2 more sources