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  • Hilbert Basis  (1)
  • crystal seeding  (1)
  • crystallization  (1)
Datenquelle
Materialart
Erscheinungszeitraum
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    On box totally dual integral polyhedra (1986)
    Springer
    Mathematical programming 34 (1986), S. 48-61 
    Details
    ISSN: 1436-4646
    Schlagwort(e): Total Dual Integrality ; Hilbert Basis ; Polyhedra
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik , Mathematik
    Notizen: Abstract Edmonds and Giles introduced the class of box totally dual integral polyhedra as a generalization of submodular flow polyhedra. In this paper a geometric characterization of these polyhedra is given. This geometric result is used to show that each TDI defining system for a box TDI polyhedron is in fact a box TDI system, that the class of box TDI polyhedra is in co-NP and is closed under taking projections and dominants, that the class of box perfect graphs is in co-NP, and a result of Edmonds and Giles which is related to the facets of box TDI polyhdera.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01582162
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Crystallization and preliminary X-ray investigation of recombinant human interleukin 10 (1995)
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 22 (1995), S. 187-190 
    Details
    ISSN: 0887-3585
    Schlagwort(e): cytokine ; BCRF1 ; protein structure ; crystal seeding ; Chemistry ; Biochemistry and Biotechnology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Medizin
    Notizen: Crystals of recombinant human interleukin 10 have been grown from solutions of ammonium sulfate. The crystals are tetragonal, space group P41212 or P43212; the unit cell axes are a = 36.5 Å and c = 221.9 Å. There is the equivalent of one polypeptide chain in the asymmetric unit. The crystals are stable to X-rays and diffract to at least 2.5 Å resolution. © 1995 Wiley-Liss, Inc.
    Zusätzliches Material: 1 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/prot.340220211
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 3
    Digitale Medien
    Digitale Medien
    Purification and crystallization of a complex between human interferon γ receptor (extracellular domain) and human interferon γ (1996)
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 26 (1996), S. 108-114 
    Details
    ISSN: 0887-3585
    Schlagwort(e): crystallization ; interferon-γ ; receptor complex ; purification ; Chemistry ; Biochemistry and Biotechnology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Medizin
    Notizen: X-ray diffraction quality crystals have been obtained from a complex between interferon γ and the extracellular domain of its high-affinity cell surface receptor. The crystals were obtained from interferon γ/interferon γ receptor complexes purified by size exclusion chromatography. Diffraction quality crystals required analyzing these complex samples by isoelectric focusing gels to select purified complex fractions devoid of unbound interferon γ. These studies used interferon γ receptor engineered with an eight amino acid N-terminal deletion to eliminate heterogeneity generated due to proteolytic cleavage. In addition, the receptor was expressed in an E. coli secretion cell line which eliminated the need to refold the protein. Hexagonal crystals were grown from 1.6 M ammonium phosphate solutions and belong to a spacegroup of P6522 with unit cell dimensions a = 145.9 Å and c = 180.3 Å. These crystals diffract to at least 2.9 Å resolution when exposed to synchrotron radiation. SDS PAGE analysis of the crystals demonstrated that both interferon γ and the receptor were present. Analysis of the x-ray diffraction data revealed that the crystals contain complexes with a stoichiometry of 2:1 receptor: ligand within the crystallographic asymmetric unit and consist of approximately 55% solvent. © 1996 Wiley-Liss, Inc.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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