1. Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia, and Biochemical Laboratory, Groningen Biomolecular Sciences and Biotechnology Institute, and Crystal Structure Center, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands, and BASF AG, Fine Chemicals and Biocatalysis Research, Ludwigshafen, Germany