1. Institute of Microbiology ETH Zurich Vladimir-Prelog-Weg 4 8093 Zurich Switzerland
2. Molecular Enzymology Group University of Groningen Nijenborgh 4 9747AG Groningen The Netherlands
3. Department of Chemical and Bioprocesses Engineering Pontificia Universidad Católica de Chile Avenida Vicuña Mackenna 4860 7820436 Santiago Chile