1.7.2.4 additional information enzyme shows Cu+/Fe2+ oxidation kinetics that follow the Michaelis-Menten model, with 2fold to 10fold higher efficiencies for Cu+ and Fe2+ as compared with the tested aromatic compounds Pyrobaculum aerophilum ? - ? 89 1.7.2.4 additional information the purple form of enzyme, in which the copper centre is in the oxidized [2Cu2+:2Cu+] redox state, is redox active, although it is still catalytically non-competent, as its specific activity is lower than that of the activated fully reduced enzyme and comparable with that of the enzyme with the copper centre in either the [1Cu2+:3Cu+] redox state or in the redox inactive state Marinobacter nauticus ? - ? 89 1.7.2.4 additional information determination of detailed gas kinetics and transcription patterns from batch culture experiments with Paracoccus denitrificans, allowing in vivo estimation of electron flow to O2 and N2O under various O2 regimes Paracoccus denitrificans ? - ? 89 1.7.2.4 N2O + 2 Fe2+ + 2 H+ - Pyrobaculum aerophilum N2 + H2O + 2 Fe3+ - ? 426768 1.7.2.4 N2O + H2O + benzyl viologen cation radical - Pseudomonas aeruginosa N2 + reduced benzyl viologen - ? 382390 1.7.2.4 N2O + H2O + benzyl viologen cation radical - Pseudomonas aeruginosa P2 N2 + reduced benzyl viologen - ? 382390 1.7.2.4 N2O + reduced acceptor - Paracoccus denitrificans N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Alcaligenes faecalis N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Sinorhizobium meliloti N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Bradyrhizobium japonicum N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Pseudomonas aeruginosa N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Pseudomonas sp. N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Pseudomonas denitrificans (nom. rej.) N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Paracoccus pantotrophus N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Achromobacter cycloclastes N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Hyphomicrobium denitrificans N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Ensifer adhaerens N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Dechloromonas denitrificans N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Flavobacterium denitrificans N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Pseudomonas fluorescens N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Pseudomonas denitrificans (nom. rej.) CCUG 2519 N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Bradyrhizobium japonicum USDA 110 N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Pseudomonas fluorescens C7R12 N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Pseudomonas sp. ED3 N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Sinorhizobium meliloti 50 N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Hyphomicrobium denitrificans A3151 N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Achromobacter cycloclastes 1013 N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced acceptor - Ensifer adhaerens SN611 N2 + H2O + acceptor - ? 375187 1.7.2.4 N2O + reduced benzyl viologen - Wolinella succinogenes N2 + H2O + benzyl viologen - ? 377276 1.7.2.4 N2O + reduced benzyl viologen - Achromobacter cycloclastes N2 + H2O + benzyl viologen - ? 377276 1.7.2.4 N2O + reduced benzyl viologen - Hyphomicrobium denitrificans N2 + H2O + benzyl viologen - ? 377276 1.7.2.4 N2O + reduced benzyl viologen - Hyphomicrobium denitrificans A3151 N2 + H2O + benzyl viologen - ? 377276 1.7.2.4 N2O + reduced benzyl viologen - Achromobacter cycloclastes N2 + oxidized benzyl viologen - ? 426769 1.7.2.4 N2O + reduced cytochrome c - Paracoccus pantotrophus N2 + H2O + cytochrome c - ? 389310 1.7.2.4 N2O + reduced cytochrome c550 - Cereibacter sphaeroides N2 + H2O + cytochrome c550 - ? 377277 1.7.2.4 N2O + reduced cytochrome c550 - Paracoccus denitrificans N2 + H2O + cytochrome c550 - ? 377277 1.7.2.4 N2O + reduced methyl viologen - Paracoccus pantotrophus N2 + H2O + methyl viologen - ? 377278 1.7.2.4 N2O + reduced methyl viologen - Achromobacter cycloclastes N2 + H2O + methyl viologen - ? 377278 1.7.2.4 N2O + reduced methyl viologen - Marinobacter nauticus N2 + H2O + oxidized methyl viologen - ? 426770 1.7.2.4 N2O + reduced methyl viologen - Pseudomonas stutzeri N2 + oxidized methyl viologen - ? 426771 1.7.2.4 N2O + reduced methyl viologen - Pseudomonas stutzeri ATCC 14405 N2 + oxidized methyl viologen - ? 426771 1.7.2.4 N2O + reduced pseudoazurin - Cereibacter sphaeroides N2 + H2O + pseudoazurin - ? 377279 1.7.2.4 N2O + reduced pseudoazurin - Paracoccus denitrificans N2 + H2O + pseudoazurin - ? 377279 1.7.2.4 N2O + reduced pseudoazurin blue copper electron-transfer protein pseudoazurin is capable of mediating electron transfer to the nitrous oxide reductase. Pseudoazurin binds near copper site CuA, with parameters consistent with the formation of a transient, weakly-bound complex. Pseudoazurin a strong candidate for the physiological electron donor to th enzyme Achromobacter cycloclastes N2 + oxidized pseudoazurin - ? 424916 1.7.2.4 nitrogen + H2O + 2 ferricytochrome c - Stutzerimonas stutzeri nitrous oxide + 2 ferrocytochrome c + 2 H+ - ? 461658 1.7.2.4 nitrogen + H2O + acceptor - Paracoccus denitrificans nitrous oxide + reduced acceptor - ? 260294 1.7.2.4 nitrogen + H2O + acceptor - Achromobacter cycloclastes nitrous oxide + reduced acceptor - ? 260294 1.7.2.4 nitrogen + H2O + acceptor under some conditions, electron transfer may be rate limiting in N2O reduction. The transition state is stabilized by H-bonding interactions between the active site and an N2O-derived intermediate bound to the catalytic CuZ cluster Achromobacter cycloclastes nitrous oxide + reduced acceptor - ? 260294 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - uncultured bacterium nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - Wolinella succinogenes nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - Marinobacter nauticus nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - Paracoccus denitrificans nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - Gemmatimonas aurantiaca nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - Stutzerimonas stutzeri nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - Wolinella succinogenes DSM 1740 nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - Gemmatimonas aurantiaca T-27 nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 ferrocytochrome c + 2 H+ - Paracoccus denitrificans Pd1222 nitrogen + H2O + 2 ferricytochrome c - ? 461659 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - Paracoccus denitrificans nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - Trichodesmium erythraeum nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - Marinobacter nauticus nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - Bradyrhizobium diazoefficiens nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - uncultured Alphaproteobacteria bacterium nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - alpha proteobacterium 4N nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - Shewanella denitrificans nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c the copper enzyme nitrous oxide reductase catalyzes the two-electron reduction of nitrous oxide (N2O) to dinitrogen Shewanella denitrificans nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - Trichodesmium erythraeum IMS01 nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - Marinobacter nauticus 617 nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c - Shewanella denitrificans OS217 nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced cytochrome c the copper enzyme nitrous oxide reductase catalyzes the two-electron reduction of nitrous oxide (N2O) to dinitrogen Shewanella denitrificans OS217 nitrogen + H2O + 2 cytochrome c - ? 440364 1.7.2.4 nitrous oxide + 2 reduced methyl viologen - Marinobacter nauticus nitrogen + H2O + 2 methyl viologen - ? 441778 1.7.2.4 nitrous oxide + 2 reduced methyl viologen - Marinobacter nauticus 617 nitrogen + H2O + 2 methyl viologen - ? 441778 1.7.2.4 nitrous oxide + benzyl viologen + H+ - Stutzerimonas stutzeri nitrogen + oxidized benzyl viologen + H2O - ? 462850 1.7.2.4 nitrous oxide + reduced acceptor - Paracoccus denitrificans nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Cereibacter sphaeroides nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Pseudomonas fluorescens nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Rhodopseudomonas palustris nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Pseudomonas sp. nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Pseudomonas stutzeri nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Rhodobacter capsulatus nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Rhodospirillum rubrum nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Pseudomonas denitrificans (nom. rej.) nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Rhizobium sp. nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Thiobacillus denitrificans nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Achromobacter xylosoxidans nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Wolinella succinogenes nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Paracoccus pantotrophus nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Marinobacter nauticus nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Solitalea canadensis nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Achromobacter cycloclastes nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor methyl viologen as electron donor Paracoccus denitrificans nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor methyl viologen as electron donor Pseudomonas stutzeri nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor methyl viologen as electron donor Achromobacter cycloclastes nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor methyl viologen as electron donor, activity after incubation with ferricyanide, ascorbate or dithionite Paracoccus pantotrophus nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor photochemically-reduced benzyl viologen as electron donor Paracoccus denitrificans nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor photochemically-reduced benzyl viologen as electron donor Cereibacter sphaeroides nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor photochemically-reduced benzyl viologen as electron donor Pseudomonas stutzeri nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor photochemically-reduced benzyl viologen as electron donor Pseudomonas denitrificans (nom. rej.) nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor photochemically-reduced benzyl viologen as electron donor Wolinella succinogenes nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor photochemically reduced benzyl viologen and 3,3',5,5'-tetramethylbenzidine as electron donor Cereibacter sphaeroides nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor a mixture of N,N,N',N'-tetramethyl-p-phenylenediamine and ascorbate as electron donor Paracoccus denitrificans nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor dithionite-reduced methyl viologen as electron donor Achromobacter xylosoxidans nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor dithionite-reduced methyl viologen as electron donor Paracoccus pantotrophus nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor dithionite-reduced benzyl viologen as electron donor Cereibacter sphaeroides nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Paracoccus pantotrophus LMD 82.5 nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor dithionite-reduced methyl viologen as electron donor Paracoccus pantotrophus LMD 82.5 nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Rhodospirillum rubrum S1 nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Rhizobium sp. 8A55 nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Pseudomonas sp. G59 nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Marinobacter nauticus 617 nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced acceptor - Rhodopseudomonas palustris PW5 nitrogen + H2O + acceptor - ? 260295 1.7.2.4 nitrous oxide + reduced benzyl viologen + H+ - Paracoccus denitrificans nitrogen + H2O + oxidized benzyl viologen - r 451735 1.7.2.4 nitrous oxide + reduced methyl viologen - Achromobacter cycloclastes nitrogen + H2O + methyl viologen - ? 402801 1.7.2.4 nitrous oxide + reduced methyl viologen - Achromobacter cycloclastes IAM1013 nitrogen + H2O + methyl viologen - ? 402801 1.7.2.4 nitrous oxide + reduced methyl viologen + H+ - Paracoccus denitrificans nitrogen + H2O + oxidized methyl viologen - r 451736