1. Contribution from the Innsbruck Biocenter, Division of Genomics and RNomics-Innsbruck Medical University, Fritz-Pregl Strasse 3, 6020 Innsbruck, Austria, and Center for Molecular Biosciences Innsbruck (CMBI), Institute of Organic Chemistry, Leopold Franzens University, Innrain 52a, 6020 Innsbruck, Austria