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  • 1
    Electronic Resource
    Electronic Resource
    Molecular structure of the A-tract DNA dodecamer d(CGCAAATTTGCG) complexed with the minor groove binding drug netropsin (1993)
    s.l. : American Chemical Society
    Biochemistry 32 (1993), S. 8403-8410 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00084a004
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  • 2
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary X-ray analysis of human rhinovirus serotype 2 (HRV2) (1999)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 55 (1999), S. 1459-1461 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Human rhinoviruses, the major cause of mild recurrent infections of the upper respiratory tract, are small icosahedral particles. Over 100 different serotypes have been identified. The majority (91 serotypes) use intercellular adhesion molecule 1 as the cell-attachment site; ten serotypes (the minor group) bind to members of the low-density lipoprotein receptor. Three different crystal forms of the minor-group human rhinovirus serotype 2 (HRV2) were obtained by the hanging-drop vapour-diffusion technique using ammonium sulfate and sodium/potassium phosphate as precipitants. Monoclinic crystals, space group P21, diffracted at least to 2.8 Å resolution, and two complete virus particles were located in the crystal asymmetric unit. A second type of crystals had a compact cubic like morphology and diffracted beyond 2.5 Å resolution. These crystals belong to a primitive orthorhombic space group, with unit-cell parameters a = 309.3, b = 353.5, c = 759.6 Å, and contain one virus particle in the asymmetric unit. A third type of crystals, with a prismatic shape and belonging to space group I222, was also obtained under similar crystallization conditions. These latter crystals, with unit-cell parameters a = 308.7, b = 352.2, c = 380.5 Å, diffracted to high resolution (beyond 1.8 Å) and contained 15 protomers per asymmetric unit; this requires that three perpendicular crystal twofold axes coincide with three of the viral particle's dyad axes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444999006137
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  • 3
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary X-ray analysis of clade I catalases from Pseudomonas syringae and Listeria seeligeri (2001)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. 1184-1186 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Haem-containing catalases are homotetrameric molecules that degrade hydrogen peroxide. Phylogenetically, the haem-containing catalases can be grouped into three main lines or clades. The crystal structures of seven catalases have been determined, all from clades II and III. In order to obtain a structure of an enzyme from clade I, which includes all plant, algae and some bacterial enzymes, two bacterial catalases, CatF from Pseudomonas syringae and Kat from Listeria seeligeri, have been crystallized by the hanging-drop vapour-diffusion technique, using PEG and ammonium sulfate as precipitants, respectively. Crystals of P. syringae CatF, with a plate-like morphology, belong to the monoclinic space group P21, with unit-cell parameters a = 60.6, b = 153.9, c = 109.2 Å, β = 102.8°. From these crystals a diffraction data set to 1.8 Å resolution with 98% completeness was collected using synchrotron radiation. Crystals of L. seeligeri Kat, with a well developed bipyramidal morphology, belong to space group I222 (or I212121), with unit-cell parameters a = 74.4, b = 121.3, c = 368.5 Å. These crystals diffracted beyond 2.2 Å resolution when using synchrotron radiation, but presented anisotropic diffraction, with the weakest direction perpendicular to the long c axis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444901009817
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  • 4
    Electronic Resource
    Electronic Resource
    X-ray structure of a minor group human rhinovirus bound to a fragment of its cellular receptor protein (2004)
    [s.l.] : Nature Publishing Group
    Nature structural & molecular biology 11 (2004), S. 429-434 
    Details
    ISSN: 1545-9985
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Although many viral receptors have been identified, the ways in which they interact with their cognate viruses are not understood at the molecular level. We have determined the X-ray structure of a complex between calcium-containing modules of the very low-density lipoprotein receptor and the minor ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nsmb753
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  • 5
    Electronic Resource
    Electronic Resource
    The need for a shared database infrastructure: combining X-ray crystallography and electron microscopy (2000)
    Springer
    European biophysics journal 29 (2000), S. 457-462 
    Details
    ISSN: 1432-1017
    Keywords: Key words X-ray crystallography ; Electron microscopy ; Biological databases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract Advances in structural biology are opening greater opportunities for understanding biological structures from the cellular to the atomic level. Particularly promising are the links that can be established between the information provided by electron microscopy and the atomic structures derived from X-ray crystallography and nuclear magnetic resonance spectroscopy. Combining such different kinds of structural data can result in novel biological information on the interaction of biomolecules in large supramolecular assemblies. As a consequence, the need to develop new databases in the field of structural biology that allow for an integrated access to data from all the experimental techniques is becoming critical. Pilot studies performed in recent years have already established a solid background as far as the basic information that an integrated macromolecular structure database should contain, as well as the basic principles for integration. These efforts started in the context of the BioImage project, and resulted in a first complete database prototype that provided a versatile platform for the linking of atomic models or X-ray diffraction data with electron microscopy information. Analysis of the requirements needed to combine data at different levels of resolution have resulted in sets of specifications that make possible the integration of all these different types in the context of a web environment. The case of a structural study linking electron microscopy and X-ray data, which is already contained within the BioImage data base and in the Protein Data Bank, is used here to illustrate the current approach, while a general discussion highlights the urgent need for integrated databases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002490000089
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  • 6
    Electronic Resource
    Electronic Resource
    Molecular evolution of aphthoviruses (1995)
    Springer
    Virus genes 11 (1995), S. 197-207 
    Details
    ISSN: 1572-994X
    Keywords: quasi-species ; virus evolution ; foot-and-mouth disease virus ; antigenic specificity ; antigen-antibody complex
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aphthoviruses are an important group of animal pathogens. A combination of genetic and structural studies has revealed one of the main principles governing their evolution: severe limitations to variation imposed by functional and structural constraints, in conjunction with high mutation and recombination rates operating during genome replication. Evolution occurs by positive selection and random drift acting on complex quasispecies distributions. The mutant composition of a quasi-species (or mutant spectrum) is largely dictated by tolerance to nucleotide and amino acid substitutions in viral RNAs and proteins, which must remain functionally competent. We review recent evidence to support this proposal, and we suggest that similar concepts may apply to other RNA viruses as well.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01728659
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  • 7
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary x-ray diffraction studies of a monoclonal antibody fab fragment against foot-and-mouth disease virus and of its complex with the main antigenic site peptide (1994)
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 18 (1994), S. 201-203 
    Details
    ISSN: 0887-3585
    Keywords: Fab structures ; viral epitopes ; foot-and-mouth disease virus ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The Fab fragment of the neutralizing monoclonal antibody SD6 elicited against foot-and-mouth disease virus (FMDV) C-SBcl and its complex with a peptide, corresponding to the major antigenic site of FMDV (VPl residues 136-150, YTASARGDLAHLTTT), have been crystallized using the hanging drop vapor diffusion techniques. For the isolated Fab, crystals diffracting to 2.5 Å resolution were obtained at room temperature using ammonium sulfate as precipitant. These crystals are monoclinic, space group C2, and unit cell parameters a = 109.53 Å, b = 89.12 Å, c = 64.04 Å, and β = 112.9° and contain one Fab molecule per asymmetric unit. Crystals from the complex diffract, at least, to 2.8 Å resolution and were obtained, at room temperature, using PEG as precipitant. These crystals are monoclinic, space group P2, and unit cell parameters a = 56.11 Å, b = 60.67 Å, c = 143.45 Å, and β = 95.4°, Density packing considerations indicate that there are two Fab molecules in the asymmetric unit. © 1994 John Wiley & Sons, Inc.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prot.340180212
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