Departamento de Física, Universidade de Aveiro, Aveiro, Portugal, CICECO, Universidade de Aveiro, Publication Date (Web): September 4, .. The Journal of Physical Chemistry C (29), .. Lei Zhang, Linlin Fu, Xingxing Yang, Zuoling Fu, Xiangdong Qi, Zhijian Wu. Chem., , (26), pp – Qian Zhou, Kendall Fitzgerald, Paul D. Boyle and Wesley A. Henderson Shu Li, Zhen Cao, Yuxing Peng, Lei Liu, Yonglong Wang, Shu Wang, Ji-Qiang Wang, Tianying Yan, Xue-Ping Gao, De- Ying Song and Pan-Wen .. Journal of Fluorine Chemistry , Nature Communications volume 7, Article number: () | Download Citation . (d) Data sets cover a range of detector types, including Area Welberry, T. Diffuse X-Ray Scattering and Models of Disorder OUP Oxford () . . Chinese Academy of Sciences, Shanghai , China. Ming Lei.
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Scale-dependent diffusion anisotropy in nanoporous silicon Kondrashova, D. J Phys Chem B.
Unexpected RNA-binding site in the NS1B Protein from Influenza B Virus not present in NS1A
Nat Struct Mol Biol. National Center for Biotechnology InformationU. We showed that this is not the case. Author manuscript; available in PMC Sep 6. This result highlights differences in the replication strategies of influenza A and B viruses. A deliberate approach to screening for initial crystallization conditions of dde macromolecules. Structure determination and refinement At the home X-ray source wavelength 1. Please note ce during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.
Abstract Influenza viruses cause a highly contagious respiratory disease in humans. This is a PDF file of an unedited manuscript that se been accepted for publication. Electronic and bite angle effects in catalytic C—O bond cleavage of a lignin model compound using ruthenium Xantphos complexes Shaw L.
Nanoscale tomography reveals the deactivation of automotive copper-exchanged zeolite catalysts Schmidt J. Confinement Effects for Lithium Borohydride: The NS1 protein of influenza A virus NS1A protein has been extensively studied and shown to have multiple functions that counter host antiviral responses and regulate other cellular and viral functions Krug and Garcia-Sastre, Contribution of NS1 effector domain dimerization to influenza A virus replication and virulence.
Support Center Support Center. The Base Case Gutterod E. A threshold of 20 ppb 0. Robotic cloning and protein production platform of the Northeast Structural Genomics Consortium. ,ei, in Zeolites in Catalysis: The high-throughput protein sample production 20004 of the Northeast Structural Genomics Consortium. Further crystallization optimization was carried out using hanging drop evaporation method.
We also thank Drs. All three mutant viruses were highly attenuated in replication Figure 4c. The host binding partners of the NS1B protein of influenza B viruses are less well studied. This basic surface functions to bind RNA. The monomeric form of the NS1B CTD is sufficient to bind RNA Dimeric interactions observed in crystal structures may or may not occur in solution, particularly under dilute protein conditions. Amino-acid residues in the basic surface and in an adjacent acid patch, identified in the X-ray crystal structure exhibit backbone 15 N- 1 H chemical shift perturbations upon binding of this mer dsRNA Figure 1ddemonstrating that the RNA-binding site in the NS1B CTD involves the conserved basic surface observed in the X-ray crystal structure Figure 1b.
The sidechains of residue Arg, mutated to Ala to form a monomer, are shown in yellow. B96DOI: Here we report the 2. To determine whether the homodimerization interface of the CTD plays any role in viral replication, we generated a recombinant virus expressing a NS1B protein with the RA mutation that inhibits CTD dimerization. A novel RNA-binding motif in influenza A virus non-structural protein 1.
A somewhat larger residue N-terminal segment of NS1B binds the interferon-induced antiviral human ISG15 protein, and the structure of this complex has been determined Guan et al. Sum rule distortions in fluorescence-yield x-ray magnetic circular dichroism Liu B. Dimeric interactions observed in crystal structures may or may not occur in solution, particularly under dilute protein conditions.
FP values were reported in millipolarization units mP. Virus stocks were grown in day-old fertilized eggs. They form a largely basic patch on the surface of the protein structure, and are highly conserved across influenza B NS1B proteins Supplemental Figure S1b.
Group publications – Inorganic Chemistry and Catalysis
Alternatively, this mutation may be affecting other functions of NS1B in influenza B virus-infected cells. Xiao for helpful discussions and comments on this manuscript.
Residues for which CSPs could not be determined, including Pro residues, are shown in white. Panel d also shows an orientation rotated by deg, revealing no significant CSPs on the opposite side of the molecule.
Figure 1b and Figure 7c. Influenza A virus NS1 protein binds p85beta and activates phosphatidylinositolkinase signaling. The details of interchain packing at this interface varies across these published crystal structures of NS1A CTD, and the interface exhibits intrinsic dynamics which have been studied by 19 F NMR nuclear relaxation measurements Aramini et al.
These biophysical studies demonstrate that the NS1B CTD has a weak propensity to form a homodimeric structure with the same interface observed in the X-ray crystal structure. CSPs may arise simply 108822 proximity to bound nucleic 1088, rather than due to specific interactions. However, they also interact with some different host factors. The novel RNA-binding function in the C-terminal domain of NS1B proteins described in this study, arising from its conserved, broad, basic surface, is a unique property of NS1B proteins of influenza B viruses, that is not shared by NS1A proteins xe influenza A viruses.
C, DOI: Quantifying covalent interactions with resonant inelastic soft X-ray scattering Kunnus K. The molecular orientations in panels abldiand d-left are the same. A master regulator of host and viral functions.
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