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Kinetic, Structural, and EPR Studies Reveal That Aldehyde Oxidoreductase from D...
Silva, Teresa Santos; Ferroni, Felix; Thapper, Anders; Marangon, Jacopo; Moura, Isabel; Moura, José J. G.; Rizzi, Alberto C.; González, Pablo J.J. Am. Chem. Soc., 2009, 131 (23), pp 7990–7998 DOI: 10.1021/ja809448r ; Aldehyde oxidoreductase from Desulfovibrio gigas (DgAOR) is a member of the xanthine oxidase(XO) family of mononuclear Mo-enzymes that catalyzes the oxidation of aldehydes to carboxylic acids. The molybdenum site in the enzymes of the XO family shows a distorted square pyramidal geometry in which two ligands, a hydroxyl/water molecule (th...
Correlating EPR and X-ray structural analysis of arsenite-inhibited forms of al...
Thapper, Anders; Boer, D. R.; Brondino, Carlos D.; Moura, José J. G.; Romão, Maria J.J Biol Inorg Chem (2007) 12:353–366 DOI 10.1007/s00775-006-0191-9 ; Two arsenite-inhibited forms of each of the aldehyde oxidoreductases from Desulfovibrio gigas and Desulfovibrio desulfuricans have been studied by X-ray crystallography and electron paramagnetic resonance (EPR) spectroscopy. The molybdenum site of these enzymes shows a distorted square-pyramidal geometry in which two ligands, a hydroxyl/water ...
Purification and Preliminary Characterization of Tetraheme Cytochrome and Adeny...
López-Cortés, Alejandro; Bursakov, Sergey; Figueiredo, Angelo; Thapper, Anders E.; Todorovic, Smilja; Moura, José J. G.; Ollivier, BernardBioinorganic Chemistry and Applications Volume 3 (2005), Issue 1-2, Pages 81-91 ; Two proteins were purified and preliminarily characterized from the soluble extract of cells (310 g, wet weight) of the aminolytic and peptidolytic sulfate-reducing bacterium Desulfovibrio (D.) aminophilus DSM 12254. The iron-sulfur flavoenzyme adenylylsulfate (adenosine 5"-phosphosulfate, APS)reductase, a key enzyme in the micro...
X-ray crystal structure and EPR spectra of "arsenite-inhibited" Desulfovibriogi...
Boer, D. Roeland; Thapper, Anders; Brondino, Carlos D.; Romão, Maria J.; Moura, José J. G.J. Am. Chem. Soc., 2004, 126 (28), pp 8614–8615 DOI: 10.1021/ja0490222 ; X-ray crystallography has been used to determine the structure of arsenite-inhibited aldehyde dehydrogenase from Desulfovibrio gigas, a member of the xanthine oxidase family of mononuclear molybdenum enzymes. The structure shows an AsO3 moiety bound to the molybdenum atom of the active site through one of the oxygen atoms. A reduced sampl...
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