foot-and-mouth disease virus
Biochemistry and Biotechnology
Wiley InterScience Backfile Collection 1832-2000
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.
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