Role of remote scaffolding residues in the inhibitory loop pre-organization, flexibility, rigidification and enzyme inhibition of serine protease inhibitors.

Abstract excerpt

Canonical serine protease inhibitors interact with cognate enzymes through the P3-P2' region of the inhibitory loop while its scaffold hardly makes any contact. Neighboring scaffolding residues like Arginines or Asparagine shape-up the inhibitory loop and favor the resynthesis of cleaved scissile bond. However, role of remote scaffolding residues, which are not involved in religation, was not properly explored....

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