Crypteins: Hidden Gems. ‘When liberated, certain peptides within proteins exhibit surprising biological activities. Proteolytic cleavage reveals these concealed peptides and enables them to exert their biological effects. Nature uses this route to get the most out of a limited number of genome-encoded proteins, but Cryptome Pharmaceuticals, Melbourne, Australia, has other plans: It hopes to mine these hidden gems, which the company has nicknamed “crypteins,” for potential therapeutics.’

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