S.cerevisiae as a tool to select inhibitors of the deneddylating activity of the COP9 signalome Angela Cirigliano, Sergio Menta, Mattia Mori, Valerio Licursi, Svetlana Danovska, Valentina Vapore, Giovanna Serino, Elah Pick, Bruno Botta, Rodolfo Negri, and Teresa Rinaldi