[1] ABiTEP GmbH, Berlin, Germany
[2] Univ Bielefeld, Ctr Biotechnol CeBiTec, D-33615 Bielefeld, Germany
[3] Univ Pretoria, Dept Biochem, Bioinformat & Computat Biol Unit, ZA-0002 Pretoria, South Africa
[4] DSMZ German Collect Microorganisms & Cell Culture, Braunschweig, Germany