Entry
Name
nitrous-oxide reductase;
nitrous oxide reductase;
N2O reductase;
nitrogen:(acceptor) oxidoreductase (N2O-forming)
Class
Oxidoreductases;
Acting on other nitrogenous compounds as donors;
With a cytochrome as acceptor
BRITE hierarchy
Sysname
nitrogen:cytochrome c oxidoreductase (N2O-forming)
Reaction(IUBMB)
nitrogen + H2O + 2 ferricytochrome c = nitrous oxide + 2 ferrocytochrome c + 2 H+ [RN:
R02804 ]
Reaction(KEGG)
Substrate
Product
Comment
The reaction is observed only in the direction of nitrous oxide reduction. Contains the mixed-valent dinuclear CuA species at the electron entry site of the enzyme, and the tetranuclear Cu-Z centre in the active site.
In Paracoccus pantotrophus, the electron donor is cytochrome c552.
History
EC 1.7.2.4 created 1989 as EC 1.7.99.6, modified 1999, transferred 2011 to EC 1.7.2.4
Pathway
ec01120 Microbial metabolism in diverse environments
Orthology
K00376 nitrous-oxide reductase
Genes
DJI : CH75_00020 CH75_23105
PAEB : NCGM1900_2880(nosZ)
PFE : PSF113_2997(nosZ) PSF113_3423
PZA : HU749_012250 HU749_015310
PMAN : OU5_0474(nosZ) OU5_P0223(nosZ)
PMUD : NCTC8068_02839(nosZ)
PBA : PSEBR_a2099 PSEBR_a2644
PBC : CD58_15005 CD58_15790 CD58_18545
PRHZ : CRX69_16635 CRX69_19675
MSHE : MAALD49_30760(nosZ)
TNI : TVNIR_1638(nosZ_[H])
THIC : TspCOW1_23130(nosZ)
HAAH : HALA3H3_890076(nosZ)
CHJ : NCTC10426_02339(nosZ)
NCZ : NCTC10294_00235(nosZ)
NANI : NCTC12227_01506(nosZ)
MAER : DAI18_07220 DAI18_13200
BPM : BURPS1710b_2255(nosZ)
BPL : BURPS1106A_2115(nosZ)
LMIR : NCTC12852_00031(nosZ)
AXX : ERS451415_04442(nosZ)
NPV : OHM77_06040(nosZ) OHM77_06055(nosZ)
ABRE : pbN1_08320(nosZ1) pbN1_37970(nosZ2)
DDEN : KI615_09455(nosZ) KI615_09475(nosZ)
TAK : Tharo_0544 Tharo_1447
THAG : CKCBHOJB_03275(nosZ)
SFD : USDA257_c39060(nosZ)
RGA : RGR602_PC02131(nosZ)
BIO : BR141012304_20690(nosZ)
BBET : F8237_21705(nosZ) F8237_33270(nosZ)
MTUN : MTUNDRAET4_4075(nosZ)
RLI : RLO149_c031550(nosZ)
PHP : PhaeoP97_03839(nosZ)
RMM : ROSMUCSMR3_03391(nosZ)
PYE : A6J80_19890(nosZ) A6J80_22845(nosZ)
SMUC : JL100_001460(nosZ) JL100_027930(nosZ)
SROE : JL101_013220(nosZ) JL101_026370(nosZ)
WSU : WS0914(NOSZ) WS0916(NOSZ)
TDN : Suden_1298 Suden_1770
SULN : FJR47_05935(nosZ) FJR47_06045(nosZ)
SULC : CVO_03425(nosZ) CVO_03535(nosZ)
CAMP : CFT03427_0449(nosZ)
CCOC : CCON33237_1709(nosZ)
CAMZ : CVIC12175_0369(nosZ)
SULS : Sdiek1_0981 Sdiek1_1945
PSPC : Strain318_002108(nosZ)
SMIZ : 4412673_03627(nosZ)
SLAS : L2B55_02100(nosZ) L2B55_07090(nosZ)
PSEZ : HME7025_01808(nosZ)
FOK : KK2020170_12060(nosZ)
AALG : AREALGSMS7_00218(nosZ)
KAN : IMCC3317_22890(nosZ)
SPON : HME9304_02720(nosZ)
CJG : NCTC13459_01439(nosZ)
CANT : NCTC13489_02722(nosZ)
KFA : Q73A0000_15235(nosZ)
SHYR : LA303_10175(nosZ) LA303_10180
» show all
Taxonomy
Reference
Authors
Coyle CL, Zumft WG, Kroneck PM, Korner H, Jakob W
Title
Nitrous oxide reductase from denitrifying Pseudomonas perfectomarina. Purification and properties of a novel multicopper enzyme.
Journal
Sequence
Reference
Authors
Zumft WG, Kroneck PM
Title
Respiratory transformation of nitrous oxide (N2O) to dinitrogen by Bacteria and Archaea.
Journal
Sequence
Reference
Authors
Dell'Acqua S, Pauleta SR, Paes de Sousa PM, Monzani E, Casella L, Moura JJ, Moura I
Title
A new CuZ active form in the catalytic reduction of N(2)O by nitrous oxide reductase from Pseudomonas nautica.
Journal
Other DBs
ExplorEnz - The Enzyme Database: 1.7.2.4
ExPASy - ENZYME nomenclature database: 1.7.2.4
UM-BBD (Biocatalysis/Biodegradation Database): 1.7.2.4
BRENDA, the Enzyme Database: 1.7.2.4