Bacterial nitric oxide synthesis. |
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Authors: | F Cutruzzolà |
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Affiliation: | Dipartimento di Scienze Biochimiche, Università di Roma 'La Sapienza', P.le A. Moro, 5, 00185, Rome, Italy. cutruzzola@axcasp.caspur.it |
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Abstract: | The structure-function relationships in nitrite reductases, key enzymes in the dissimilatory denitrification pathway which reduce nitrite to nitric oxide (NO), are reviewed in this paper. The mechanisms of NO production are discussed in detail and special attention is paid to new structural information, such as the high resolution structure of the copper- and heme-containing enzymes from different sources. Finally, some implications relevant to regulation of the steady state levels of NO in denitrifiers are presented. |
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