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May 2017 issue
research papers
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A series of diffraction data sets with increasing absorbed radiation dose were collected from a single crystal of Steccherinum murashkinskyi laccase at 1.35 Å resolution. The mechanism of oxygen reduction catalyzed by laccases is discussed.
PDB references
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The NS3s of Dengue virus serotypes 2 and 4 are elongated and dynamic in solution. The protease domain of NS3 undergoes substantial conformational alterations owing to RNA binding. The interactions and effects of quercetin binding in NS3 are described.
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The structure of the family B DNA polymerase from the hyperthermophilic archaeon P. calidifontis has been determined with an R factor of 24.47% and an Rfree of 28.81% at 2.80 Å resolution. The enzyme has a number of unique structural features which distinguish it from other archaeal DNA polymerases.
PDB reference: DNA polymerase, 5mdn
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Structural analysis of an isoleucine 2-epimerase from L. buchneri provided new insight into the catalytic mechanism of bacterial fold-type I racemases.
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The first structures of plant acyl-CoA-binding proteins, from rice, show similarity to the human liver and bovine homologues.
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A new method called Pepsi-SAXS is presented that calculates small-angle X-ray scattering profiles from atomistic models. The method is based on the multipole expansion scheme and is significantly faster compared with the CRYSOL, FoXS and three-dimensional Zernike methods.
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