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Titolo:
Structural aspects of denitrifying enzymes
Autore:
Moura, I; Moura, JJG;
Indirizzi:
Univ Nova Lisboa, Fac Ciencias & Tecnol, Ctr Quim Fina & Biotechnol, Dept Quim, P-2825114 Monte De Caparica, Portugal Univ Nova Lisboa Monte De Caparica Portugal P-2825114 Caparica, Portugal
Titolo Testata:
CURRENT OPINION IN CHEMICAL BIOLOGY
fascicolo: 2, volume: 5, anno: 2001,
pagine: 168 - 175
SICI:
1367-5931(200104)5:2<168:SAODE>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
NITROUS-OXIDE REDUCTASE; X-RAY STRUCTURE; DESULFOVIBRIO-DESULFURICANS ATCC-27774; COPPER-NITRITE REDUCTASE; PSEUDOMONAS-AERUGINOSA; ACHROMOBACTER-CYCLOCLASTES; ANGSTROM RESOLUTION; NITRATE REDUCTASE; CRYSTAL-STRUCTURE; CYTOCHROME CD(1);
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Moura, I Univ Nova Lisboa, Fac Ciencias & Tecnol, Ctr Quim Fina & Biotechnol, Dept Quim, P-2825114 Monte De Caparica, Portugal Univ Nova Lisboa Monte De Caparica Portugal P-2825114 Portugal
Citazione:
I. Moura e J.J.G. Moura, "Structural aspects of denitrifying enzymes", CURR OP C B, 5(2), 2001, pp. 168-175

Abstract

The reduction of nitrate to nitrogen gas via nitrite, nitric oxide and nitrous oxide is the metabolic pathway usually known as denitrification, a keystep in the nitrogen cycle. As observed for other elemental cycles, a battery of enzymes are utilized, namely the reductases for nitrate, nitrite, nitric oxide and nitrous oxide, as well as multiple electron donors that interact with these enzymes, in order to carry out the stepwise reactions that involve key intermediates. Because of the importance of this pathway (of parallel importance to the nitrogen-fixation pathway), efforts are underway to understand the structures of the participating enzymes and to uncover mechanistic aspects. Three-dimensional structures have been solved for the majority of these enzymes in the past few years, revealing the architecture ofthe active metal sites as well as global structural aspects, and possible mechanistic aspects. In addition. the recognition of specific electron-transfer partners raises important questions regarding specific electron-transfer pathways, partner recognition and control of metabolism.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/09/20 alle ore 07:40:32