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A tale of two proteinases

The structure of two viral 3C cysteine proteinases confirm predictions of a close similarity with serine proteinases and hint at the evolutionary origins of this family of enzymes.

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Carrell, R., Lesk, A. A tale of two proteinases. Nat Struct Mol Biol 1, 492–494 (1994). https://doi.org/10.1038/nsb0894-492

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