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Crystallization and preliminary X-ray diffraction studies of the ferredoxin reductase component in the Rieske nonhaem iron oxygenase system carbazole 1,9a-dioxygenase.


ABSTRACT: Carbazole 1,9a-dioxygenase (CARDO), which consists of an oxygenase component (CARDO-O) and the electron-transport components ferredoxin (CARDO-F) and ferredoxin reductase (CARDO-R), catalyzes dihydroxylation at the C1 and C9a positions of carbazole. CARDO-R was crystallized at 277 K using the hanging-drop vapour-diffusion method with the precipitant PEG 8000. Two crystal types (types I and II) were obtained. The type I crystal diffracted to a maximum resolution of 2.80 A and belonged to space group P4(2)2(1)2, with unit-cell parameters a = b = 158.7, c = 81.4 A. The type II crystal was obtained in drops from which type I crystals had been removed; it diffracted to 2.60 A resolution and belonged to the same space group, with unit-cell parameters a = b = 161.8, c = 79.5 A.

SUBMITTER: Ashikawa Y 

PROVIDER: S-EPMC2335075 | biostudies-literature | 2007 Jun

REPOSITORIES: biostudies-literature

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Crystallization and preliminary X-ray diffraction studies of the ferredoxin reductase component in the Rieske nonhaem iron oxygenase system carbazole 1,9a-dioxygenase.

Ashikawa Yuji Y   Uchimura Hiromasa H   Fujimoto Zui Z   Inoue Kengo K   Noguchi Haruko H   Yamane Hisakazu H   Nojiri Hideaki H  

Acta crystallographica. Section F, Structural biology and crystallization communications 20070512 Pt 6


Carbazole 1,9a-dioxygenase (CARDO), which consists of an oxygenase component (CARDO-O) and the electron-transport components ferredoxin (CARDO-F) and ferredoxin reductase (CARDO-R), catalyzes dihydroxylation at the C1 and C9a positions of carbazole. CARDO-R was crystallized at 277 K using the hanging-drop vapour-diffusion method with the precipitant PEG 8000. Two crystal types (types I and II) were obtained. The type I crystal diffracted to a maximum resolution of 2.80 A and belonged to space gr  ...[more]

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