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1
Understanding DNA: The Molecule and How it Works
Finally, the blocks of type (d) when joined together would make a broad spiral
that we might call a 'superhelix', if we remembered the DNA hidden within it. Such
a spiral will rotate counterclockwise as it goes forward, and so be left-handed, ...
Chris R. Calladine, Horace Drew, Ben Luisi, 2004
2
DNA-Protein Interactions
This concept may be simply understood by considering a DNA molecule
wrapped as a uniform superhelix around a cylindrical surface. For such a
molecule the local twist is the number of base pairs between, for example,
successive outward ...
3
Basic Principles in Nucleic Acid Chemistry
Equations (8) have been experimentally confirmed with a mouse mitochondrial
DNA having a superhelix density of -0.1 1. It is to be emphasized that the above
relationships were determined with purified DNA's which were entirely in the ...
4
Plasmids for Therapy and Vaccination
The degree of supercoiling is usually expressed relatively through the superhelix
density (a : (Lk—LkO)/Lk0). A deficiency in the linking number (Lk < Lko) leads to
negative supercoils, i. e., a < 0. Most supercoiled DNA molecules isolated from ...
5
SV-40 Viruses: Molecular Structure: Papers
The difference in band position is therefore attributed to a physical difference in
the two sets of DNA molecules and, in this case, is considered to arise from
differences in superhelix density between the DNA isolated from purified virus
particles ...
6
Molecular and Cellular Genetics
The results show DNA in the classical B form coiled in a left-handed superhelix
around the histone octamer, forming a disk about 55A in height along the
superhelix axis and about 1 10A in diameter. From the circumference and the
value of ...
7
Mathematics of DNA Structure, Function and Interactions
Because DNA wraps into a superhelix, the Frenet formulae of differential
geometry can be used to give 2. o,. I. i. (2.10). (27TT')2 + p2 where w is the
number of turns of the superhelix, p its pitch (p < 0 for a left—handed superhelix),
and r its ...
Craig John Benham, Stephen Harvey, Wilma K. Olson, 2009
8
Mathematical Approaches to Biomolecular Structure and Dynamics
handed, (b) when each segment makes exactly one turn, the resulting construct
forms an arc of a circle, and when each segment makes slightly more than one
right handed turn (c) the superhelix is right handed. We wanted to mimic
situations ...
Jill P. Mesirov, Klaus Schulten, De Witt Sumners, 1996
9
Structural Biology and Functional Genomics: [proceedings of ...
... ri and its nearest neighbor . j with the constraint that the two segments are
separated by at least 10 segments along the chain. This function (Fig. 8) shows a
pronounced peak which can be interpreted as the average superhelix diameter.
E. Morton Bradbury, Sándor Pongor, 1999
10
Replication and Recombination of Genetic Material
By studying the response of this 60S form of P22 to denaturation, to shear and
DNase, we have concluded that it is a superhelix, composed of two continuous
chains exactly analogous to the Polyoma superhelix studied by Vinograd and his
...
William James Peacock, Richard Donald Brock, 1968
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «SUPERHELIX»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
superhelix w wiadomościach.
Comprehension
SuperHelix joins the trio. Cover is $15, show is 21-and-over. On the other side of the bay, as well as the gender and musical spectrum, Seattle's dancey modern ... «The Journal, Maj 14»
Scientists Find Process that Turns Good Cholesterol Bad
Double superhelix model of high density lipoprotein. Image: J. Biol. Chem, Wikimedia Cleveland Clinic researchers have discovered the process by which ... «Laboratory Equipment, Sty 14»
ArchitekturFür den Arabischen Frühling
... ein parkartig befriedeter Tahrirplatz, auf dem die Stadtbevölkerung unter Bäumen lustwandeln soll oder auch eine rote Superhelix, die sich in den Himmel ... «Stuttgarter Zeitung, Maj 12»
Osteogenesis imperfecta: Lasches Kollagen
... bildet in funktionsfähigem Zustand eine extrem feste Struktur aus: Drei linksgängige α-Helices lagern sich zu einer rechtsgängigen Superhelix zusammen, gut ... «DocCheck News, Wrz 11»
Structure Of Brassinolide's Receptor Solved
... plant hormone brassinolide adopts an unexpected superhelix conformation. ... the brassinolide receptor, called BRI1, adopts a superhelix conformation that ... «Chemical & Engineering News, Cze 11»
Shape-Shifting Protein in Bacterial Flagellum Controls Spin Direction
However the ARMC-ARMM+1 superhelix indicates that ARMC and ARMM from adjacent monomers interact to create a surface for a single FliM binding site, ... «Discovery Institute, Wrz 10»
UCR Chemist Part of Team Identifying New Areas of Gene Regulation
“We found acetylation at this site near the entry-exit points of the DNA superhelix as it wraps around the nucleosome is required for recruiting the nucleosome ... «UC Riverside, Maj 05»
