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Cloning, expression, purification, crystallization and preliminary crystallographic study of the protein module (BIV2-Helix) in the fusion core of bovine immunodeficiency-like virus (BIV) gp40



Cloning, expression, purification, crystallization and preliminary crystallographic study of the protein module (BIV2-Helix) in the fusion core of bovine immunodeficiency-like virus (BIV) gp40



Acta Crystallographica. Section F Structural Biology and Crystallization Communications 61(Pt 2): 249-251



The fusion core of bovine immunodeficiency virus (BIV) gp40 is proposed to be involved in membrane fusion. However, no crystal structures are yet available. A predicted protein module BIV2-Helix of BIVgp40 has been expressed in Escherichia coli and purified by chromatography. Recombinant BIV2-Helix was crystallized using the hanging-drop vapour-diffusion technique at 291 K. The crystals were grown in MPD and belonged to the primitive rhombohedral space group R3, with unit-cell parameters a = 39.17, b = 39.17, c = 295.05 A and two molecules per asymmetric unit. X-ray diffraction data were collected to 1.76 A in the home laboratory from a single crystal.

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Accession: 011869411

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PMID: 16511008

DOI: 10.1107/s1744309105002174


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