Hofstetter Karin, Lutz Jochen, Lang Irene, Witholt Bernard, Schmid Andreas
Institute of Biotechnology, HPT, Swiss Federal Institute of Technology Zurich, Wolfgang-Pauli Strasse 16, 8093 Zurich, Switzerland.
Angew Chem Int Ed Engl. 2004 Apr 13;43(16):2163-6. doi: 10.1002/anie.200353338.