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Multimilligram quantities of active and pure GluR2-S1S2, the recombinant li
gand binding core of the AMPA-sensitive GluR2 receptor, were produced by pr
eparative folding of the solubilized inclusion bodies expressed in 11 of Es
cherichia coli cell culture. The biochemical properties and biological acti
vities of folded protein were characterized and the protein construct was o
ptimized for three-dimensional structural studies. (C) 2000 Elsevier Scienc
e Ltd. All rights reserved.