Angewandte Chemie Nanotechnology DOI: 10.1002/anie.200905200 Targeted Optimization of a Protein Nanomachine for Operation in Biohybrid Devices** Mamta Amrute-Nayak, RalphP. Diensthuber, Walter Steffen, Daniela Kathmann, Falk K. Hartmann, Roman Fedorov, Claus Urbanke, Dietmar J. Manstein, Bernhard Brenner, and Georgios Tsiavaliaris* Communications 312  2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Angew. Chem. Int. Ed. 2010, 49, 312 –316