The world's pharmaceutical giants are aflutter over "biologics" - protein compounds used to make drugs that are difficult to copy into generic versions.

基于蛋白复合物制备而得的生物技术制剂具有难于仿制的特点，因此世界制药巨头们开始对生物制剂展示极大兴趣。

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The databases can--in a single day--test one disease-causing protein against a trillion chemical compounds and rank which ones are most likely to latch onto the protein and gum up its works.

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The drug has attracted intense interest because it is one of the first compounds aiming to block protein clumps called amyloid from accumulating in the brains of Alzheimer's patients.

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In the mid-1990s Vertex chemists crafted compounds that block a key kinase protein that unleashes toxic immune-system molecules in arthritic joints.

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