Methods of using crystals of beta amyloid cleaving enzyme...

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase

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C436S004000

Reexamination Certificate

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07816114

ABSTRACT:
Methods of using monoclinic crystals of human beta-secretase (BACE) having unit cell dimensions of a, b, and c, wherein a is about 81±20 Å to about 101 Å, b is 103±20 Å, c is 100±20 Å, and α=γ=90°, and β is 105°±10° for crystals of symmetry P21and a=73.1, b=105.1, c=50.5 Å and β is 94.8° for crystals of C2 symmetry in drug screening assays comprising selecting a potential modifier by adding the potential modifiers to an aqueous mixture of the crystal and detecting a measure of binding, such that the potential modifier that binds is selected as a potential drug.

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