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<jats:p>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 <jats:italic>P</jats:italic>2<jats:sub>1</jats:sub>, 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 <jats:italic>a</jats:italic> = 309.3, <jats:italic>b</jats:italic> = 353.5, <jats:italic>c</jats:italic> = 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 <jats:italic>I</jats:italic>222, was also obtained under similar crystallization conditions. These latter crystals, with unit-cell parameters <jats:italic>a</jats:italic> = 308.7, <jats:italic>b</jats:italic> = 352.2, <jats:italic>c</jats:italic> = 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.</jats:p>

Original publication

DOI

10.1107/s0907444999006137

Type

Journal article

Journal

Acta Crystallographica Section D Biological Crystallography

Publisher

International Union of Crystallography (IUCr)

Publication Date

01/08/1999

Volume

55

Pages

1459 - 1461