The staphostatin family of cysteine protease inhibitors in the genus Staphylococcus as an example of parallel evolution of protease and inhibitor specificity
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Staphostatins constitute a family of staphylococcal cysteine protease inhibitors sharing a lipocalin-like fold and a unique mechanism of action. Each of these cytoplasmic proteins is co-expressed from one operon, together with a corresponding target extracellu... ...