Structure-function studies of an engineered scaffold protein derived from stefin A. I: Development of the SQM variant.
Non-antibody scaffold proteins are used for a range of applications, especially the assessment of protein-protein interactions within human cells. The search for a versatile, robust and biologically neutral scaffold previously led us to design STM (stefin A triple mutant), a scaffold derived from the intracellular protease inhibitor stefin A. Here, we describe five new STM-based scaffold proteins that contain modifications designed to further improve the versatility of our scaffold. In a step...Expand abstract
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