Proline-proline endopeptidase-1 (PPEP-1) is a secreted metalloprotease and promising drug-target from the human pathogen Clostridium difficile. Here we describe all methods necessary for the production and structure determination of this protein.
Pichlo, C., Montada, A. A., Schacherl, M., Baumann, U. Production, Crystallization and Structure Determination of C. difficile PPEP-1 via Microseeding and Zinc-SAD. J. Vis. Exp. (118), e55022, doi:10.3791/55022 (2016).