Purification and Partial Characterization of Tryptophan 7-Halogenase (PrnA) from Pseudomonas fluorescens This work was supported by the Deutsche Forschungsgemeinschaft (DFG) through the Graduiertenkolleg "Struktur-Eigenschafts-Beziehungen bei Heterocyclen", the Environment and Climate Research and Technology Development Programme of the European Union, the Sächsische Staatsministerium für Umwelt und Landesentwicklung, the Max-Buchner-Stiftung, and the Fonds der Chemischen Industrie. Samples of P. fluorescens BL915DeltaORF1-4 with pPEH14(prnA) and pPEH14(prnC) were obtained from Dr. J. M. Ligon, Novartis Agribusiness Biotechnology Research, Inc., Research Triangle, NC (USA) and NADH oxidase (from Thermus thermiphilus) from Prof. Helmut Erdmann, Fachhochschule Flensburg (Germany).
Institut für Biochemie der Technischen Universität Dresden Mommsenstrasse 13, 01062 Dresden (Germany).
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