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Kristallstruktur von [Fe]-Hydrogenase Hmd
Hydrogenasen, wasserstoffspaltende Enzyme, sind von allgemeinem Interesse, da sie statt Platin als Katalysatoren fuer die Spaltung von Wasserstoff benutzt werden koennen. [Fe]-Hydrogenase ist ein neuer Typ von Hydrogenase, von der bisher keine Kristallstruktur vorlag. In der vorliegenden Arbeit gela...
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| Formato: | Dissertation |
| Idioma: | alemán |
| Publicado: |
Philipps-Universität Marburg
2007
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| Schlagworte: | |
| Acceso en liña: | Texto completo PDF |
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Hydrogenases, hydrogen-splitting enzymes, are of common interest, because they may substitute platinum as a catalyst for the splitting of hydrogen. [Fe]-hydrogenase is a new type of hydrogenase without a crystal structure available as yet. In this work the crystal structures of [Fe]-hydrogenase apoenzyme, holoenzyme and cyanide-inhibited holoenzyme are presented. [Fe]-hydrogenase is a mononuclear iron enzyme containing a new biological cofactor (FeGP cofactor). The iron in [Fe]-hydrogenase is pentacoordinated (one sulfur, one nitrogen, two CO and one unknown ligand, that can be substituted by cyanide).