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Structure of Shiga Toxin Type 2 (Stx2) from Escherichia coli O157:H7*
Several serotypes of Escherichia coli produce protein toxins closely related to Shiga toxin (Stx) from Shigella dysenteriae serotype 1. These Stx-producing E. coli cause outbreaks of hemorrhagicExpand
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Crystal Structure of LexA A Conformational Switch for Regulation of Self-Cleavage
LexA repressor undergoes a self-cleavage reaction. In vivo, this reaction requires an activated form of RecA, but it occurs spontaneously in vitro at high pH. Accordingly, LexA must both allowExpand
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Crystal Structures of Active and Inactive Conformations of a Caliciviral RNA-dependent RNA Polymerase*
The structure of the RNA-dependent RNA polymerase (RdRP) from the rabbit hemorrhagic disease virus has been determined by x-ray crystallography to a 2.5-Å resolution. The overall structure resemblesExpand
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Crystal Structures of the RNA-dependent RNA Polymerase Genotype 2a of Hepatitis C Virus Reveal Two Conformations and Suggest Mechanisms of Inhibition by Non-nucleoside Inhibitors*
Crystal structures of the RNA-dependent RNA polymerase genotype 2a of hepatitis C virus (HCV) from two crystal forms have been determined. Similar to the three-dimensional structures of HCVExpand
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The structure of the 2A proteinase from a common cold virus: a proteinase responsible for the shut‐off of host‐cell protein synthesis
The crystal structure of the 2A proteinase from human rhinovirus serotype 2 (HRV2‐2Apro) has been solved to 1.95 Å resolution. The structure has an unusual, although chymotrypsin‐related, foldExpand
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Crystal structure of human beta-hexosaminidase B: understanding the molecular basis of Sandhoff and Tay-Sachs disease.
In humans, two major beta-hexosaminidase isoenzymes exist: Hex A and Hex B. Hex A is a heterodimer of subunits alpha and beta (60% identity), whereas Hex B is a homodimer of beta-subunits. InterestExpand
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Crystallographic structure of human beta-hexosaminidase A: interpretation of Tay-Sachs mutations and loss of GM2 ganglioside hydrolysis.
Lysosomal beta-hexosaminidase A (Hex A) is essential for the degradation of GM2 gangliosides in the central and peripheral nervous system. Accumulation of GM2 leads to severely debilitatingExpand
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Crystal structures of protein phosphatase-1 bound to motuporin and dihydromicrocystin-LA: elucidation of the mechanism of enzyme inhibition by cyanobacterial toxins.
The microcystins and nodularins are tumour promoting hepatotoxins that are responsible for global adverse human health effects and wildlife fatalities in countries where drinking water suppliesExpand
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Refined X-ray crystallographic structure of the poliovirus 3C gene product.
The X-ray crystallographic structure of the recombinant poliovirus 3C gene product (Mahoney strain) has been determined by single isomorphous replacement and non-crystallographic symmetry averagingExpand
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Structure of Arterivirus nsp4
Arteriviruses are enveloped, positive-stranded RNA viruses and include pathogens of major economic concern to the swine- and horse-breeding industries. The arterivirus replicase gene encodes twoExpand
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