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363 citations found for Kato,

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Acta Cryst. (2005). A61, c325-c326
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Diffraction phenomena in diametrically compressed single-crystal plates of silicon were systematically studied by topographic methods of the traverse and section types with Cu, Mo and Ag radiations. Black and white contrasts in the traverse topographs depend on the magnitude of the strain gradient, absorption, the sign and the order of the reflection vector, and the crystallographic orientations of the specimens. The results were interpreted in terms of the diffraction theory for a constant strain gradient. The distribution of the strain gradient was calculated under the assumptions of plane stress and isotropic elastic constants. Qualitative agreement was obtained between the theory and experiments. The behaviour of the contrast, including the departure from Friedel's law, is due to Borrmann absorption in distorted crystals. The quantitative discrepancy is explained by anisotropy of the elastic constants. The departure from a constant strain gradient is detectable by the asymmetry of the intensity distribution in section topographs.

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Acta Cryst. (2004). A60, s179
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Synchrotron X-ray scattering data with high Q resolution, Q range and dynamic range are collected using the OHGI detector system, and excellent correspondence is achieved in structural refinements of the data in reciprocal and direct space.

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Crystallization of the N-(1-D-carboxyethyl)-L-norvaline dehydrogenase from Arthrobacter sp. strain 1C in the presence or absence of cofactor and substrates.

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The absolute configuration of strictosidinic acid, (2S,3R,4S)-3-ethenyl-2-([beta]-D-glucopyranos­yloxy)-4-{[(1S)-2,3,4,9-tetra­hy­dro-1H-pyrido[3,4-b]indol-1-yl]meth­yl}-3,4-dihydro-2H-py­ran-5-carboxyl­ate, was determined from its sodium chloride trihydrate, poly[[diaqua­((2S,3R,4S)-3-ethenyl-2-([beta]-D-gluco­pyranos­yloxy)-4-{[(1S)-2,3,4,9-tetra­hydro-1H-pyrido[3,4-b]in­dol-2-ium-1-yl]meth­yl}-3,4-dihydro-2H-pyran-5-carboxyl­ate)sodium] chloride monohydrate], {[Na(C26H32N2O9)(H2O)2]Cl·H2O}n. The strictosidinic acid molecule participates in inter­molecular hydrogen bonds of the O-H...O and O-H...Cl types. The solid-state conformation was observed as a zwitterion, based on a charged pyridine N atom and a carboxyl­ate group, the latter mediating the packing through coordination with the sodium cation.

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The GppNHp-bound Rab27a GTPase in complex with exophilin4/Slp2-a has been purified and crystallized. Preliminary crystallographic analyses have been performed at 1.8 Å resolution.

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The crystal structures of dimeric Rab27b-GDP in three different space groups exhibit an atypical domain swapping of the switch and interswitch regions.


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Residues 38-440 of CdpNPT from A. fumigatus were overexpressed in E. coli, purified and crystallized. Diffraction data have been collected to a resolution of 2.5 Å.

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A subcomplex of the transsulfursome with tRNACys (SepCysS-SepCysE-tRNACys) represents the second reaction step of Cys-tRNACys synthesis in an indirect pathway. Diffraction-quality crystals (2.6 Å resolution) of this complex were obtained. X-ray crystallographic analysis showed that the complex consists of a SepCysS dimer, a SepCysE dimer and one tRNACys.



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Using synchrotron powder-diffraction data and direct-space search techniques, crystal structures have been obtained at room temperature and 90 K for the compounds [Fe(teeX)6](BF4)2 (teeX is haloethyltetrazole, and X = I and Br), which both show a gradual, complete high-spin-to-low-spin transition according to molar magnetic susceptibility and 57Fe Mössbauer spectroscopy.

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The crystallographic analysis of the title compound, C12H28N+·ClO4-, (I), shows that inter­molecular C-H...O inter­actions stabilize the crystal structure. The compound is isomorphous with tetra-n-propyl­ammonium iodide, whose structure has been described by Yoshida et al. [Acta Cryst. (1994). C50, 1758-1760].

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