Sentences with phrase «determined crystal structures»

In this test participants were challenged to predict nine recently determined crystal structures of five target compounds given only the chemical diagram of the molecules and conditions of crystallisation, with two sets of predictions allowed per target compound.

Subsequently, the research group determined crystal structures of different VERL repeats bound to lysin, the counterpart protein of VERL on abalone sperm.

The Russian experts were also able to determine the crystal structures of the minerals.

Now Yuan et al. (p. 182, published online 27 May; see the Perspective Weyand and Iwata) have determined the crystal structure of the cytoplasmic domain of the human BK channel.

This group crystallized the mouse JUNO protein and, as a result of X-ray crystal structure analysis, determined the crystal structure of JUNO by molecular replacement.

Professor Takemasa Sakaguchi and his research group at Hiroshima University determined the crystal structure of the complex of STAT1 and C protein.

A Japanese research group has determined the crystal structure of the JUNO protein, an egg surface protein essential for fertilization.

They have attracted great interest in determining the crystal structure of PHA synthase over the last 30 years, but unfortunately without success.

Researchers at the MRC Laboratory of Molecular Biology in the United Kingdom have determined the crystal structure of Parkin, a protein found in cells that when mutated can lead to a hereditary form of Parkinson's disease.

Not exact matches

Libbrecht explains that it wasn't until the development of X-ray crystallography in the 1920s that researchers were able to study the atomic structure of ice crystals to determine how they formed.

«We were able for the first time to determine the magnetic characteristics exactly and thereby prove there is a relationship between the conditions for magnetic ordering and the crystal structures.

X-ray crystallography (a technique used for determining the atomic and molecular structure of a crystal, in this case, a Gamillus crystal) and point mutagenesis suggest the acid tolerance of Gamillus is attributed to stabilization of deprotonation in its chemical structure.

The crystal structure of the tryptic core fragment of the lac repressor of Escherichia coli (LacR) complexed with the inducer isopropyl - beta - D - thiogalactoside was determined at 2.6 A resolution.

Examining a small, high - quality crystal grown at Tulane University, the team was able to determine the magnetic structure of Sr1 - yMn1 - zSb2, using neutrons at the Four - Circle Diffractometer instrument at the High Flux Isotope Reactor.

The conventional way to determine the atomic structure of molecules is to «freeze» them in a crystal and illuminate them with bright X-rays.

Physics and chemistry professor Ahmed Zewail and his colleagues at the California Institute of Technology married two previously independent lines of research: femtochemistry, in which pairs of brief laser pulses initiate and monitor a chemical reaction, and electron diffraction, in which a molecule's structure is determined from the scatter of electrons fired at a crystal containing billions of copies of that molecule.

Conventional methods researchers use to determine the structure of crystals and minerals are based on the coherent scattering of light.

They proposed a new way to study a cuprate, one that no other group had tried: a powerful imaging technique developed by Davis, called sublattice imaging - which is performed using a specialized scanning tunneling microscope (STM) capable of determining the electronic structure in different subsets of the atoms in the crystal, the so - called sublattices.

Four crystal structures were determined of the catalytic domains of AC in complex with two different ATP analogs and various divalent metal ions.

Even though crystallography has been successful at determining many high - resolution structures, it is challenging to use this technique to study structures which are not susceptible to crystallization or structural changes that do not naturally occur within a crystal.

«What is most exciting about this work is the way in which the researchers determined the precise locations of the atoms while en route from one crystal structure to the other,» says Lorin Benedict, a physicist at Lawrence Livermore National Laboratory, who was not involved in the work.

We have determined at 2.1 angstrom resolution the crystal structure of a T7 RNAP elongation complex with 30 base pairs of duplex DNA containing a «transcription bubble» interacting with a 17 - nucleotide RNA transcript.

In nature, the sizes and properties of the atoms that make up a crystal — a regular array of bonded atoms — determine its structure.

«Simulations based on our measurements suggest that our method can probably be used to determine the structure of even smaller crystals consisting of only hundreds or thousands of molecules,» Chapman says.

«Simulations based on our measurements suggest that our method can probably be used to determine the structure of even smaller crystals consisting of only hundreds or thousands of molecules,» reports Chapman, who is also a member of the Hamburg Center for Ultrafast Imaging (CUI).

«To study this mechanism, we determined, for the first time, the crystal structure of the regulatory domain bound to cGMP, which is the activated form.

The crystal structure of RNA polymerase II in the act of transcription was determined at 3.3 Å resolution.

The only reliable way to determine the secondary and tertiary structure of a protein molecule is to crystallize it and mathematically analyze the crystal's X-ray-diffraction pattern.

Using the Neutron Powder Diffractometer instrument, HFIR beamline HB - 2A, they determined how the material's magnetic structures correlate to its ferroelectric polarization, which is the slight separation between the centers of positive and negative charge in the atomic units making up the crystal structure.

The crystal structures were determined in cooperation with the synchrotron source of the Paul Scherrer Institute in Villigen (Switzerland).

The researchers examined the differently colored crystals to determine their structures.

The samples ranged from a simple alcohol to a complex plant hormone, and the new method, dubbed «CAL» for covalent alignment (the molecules form a type of chemical bond known as a covalent bond in the MOFs), enables researchers to determine the complete structure of a molecule from a single MOF crystal that contains the sample molecules in its pores.

His group eventually determined three high - resolution crystal structures of Lin28 in complexes with various let - 7 microRNAs.

We have determined all known atomic structures of complex I, starting from the hydrophilic domain of Thermus thermophilus enzyme (eight subunits, nine Fe — S clusters), followed by the membrane domains of the Escherichia coli (six subunits, 55 transmembrane helices) and T. thermophilus (seven subunits, 64 transmembrane helices) enzymes, and finally culminating in a recent crystal structure of the entire intact complex I from T. thermophilus (536 kDa, 16 subunits, nine Fe — S clusters, 64 transmembrane helices).

Graduate Student Brian Bender helped to determine the first crystal structure of neuropeptide Y. Neuropeptide Y plays a role in the regulation of the hunger feeling and is a promising drug target.