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Reviewed, UniProtKB/Swiss-Prot Q8YBC6 (NOSZ_BRUME)

Last modified November 25, 2008. Version 48. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (3) | Third-party data | Customize display text xml rdf/xml gff fasta
Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents

Names and origin

Protein namesRecommended name:
    Nitrous-oxide reductase
    EC=1.7.99.6
Alternative name(s):
    N(2)OR
    N2O reductase
Gene names
Name: nosZ
Ordered Locus Names: BMEII0973/BMEII0974
OrganismBrucella melitensis [Complete proteome] [HAMAP]
Taxonomic identifier29459 [NCBI]
Taxonomic lineageBacteriaProteobacteriaAlphaproteobacteriaRhizobialesBrucellaceaeBrucella

Protein attributes

Sequence length639 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceInferred from homology.

General annotation (Comments)

Function

Nitrous-oxide reductase is part of a bacterial respiratory system which is activated under anaerobic conditions in the presence of nitrate or nitrous oxide By similarity.

Catalytic activity

N(2) + H(2)O + acceptor = N(2)O + reduced acceptor.

Cofactor

Binds 2 calcium ions per subunit By similarity.

Binds 6 copper ions per subunit. Each subunit contains 2 copper centers; Cu(A) (binuclear) and Cu(Z) (tetranuclear). Cu(Z) is thought to be the site of nitrous oxide reduction By similarity.

Pathway

Nitrogen metabolism; nitrate reduction (denitrification); dinitrogen from nitrate: step 4/4.

Subunit structure

Homodimer By similarity.

Subcellular location

PeriplasmBy similarity.

Post-translational modification

Predicted to be exported by the Tat system. The position of the signal peptide cleavage has not been experimentally proven.

Sequence similarities

Belongs to the nosZ family.

In the C-terminal section; belongs to the cytochrome c oxidase subunit 2 family.

Sequence caution

The sequence AAL54215.1 differs from that shown. Reason: Erroneous termination at position 253. Translated as Gln.

The sequence AAL54216.1 differs from that shown. Reason: Erroneous termination at position 253. Translated as Gln.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Signal peptide1 – 4444Tat-type signal Potential
Chain45 – 639595Nitrous-oxide reductase
PRO_0000019825

Regions

Region541 – 63999COX2-like

Sites

Metal binding1361Copper Z2 By similarity
Metal binding1371Copper Z3 By similarity
Metal binding1851Copper Z2 By similarity
Metal binding2621Calcium 2; via carbonyl oxygen By similarity
Metal binding2651Calcium 2 By similarity
Metal binding2731Calcium 2; via carbonyl oxygen By similarity
Metal binding2791Calcium 2 By similarity
Metal binding3241Calcium 2 By similarity
Metal binding3261Copper Z1 By similarity
Metal binding3811Copper Z1 By similarity
Metal binding4321Copper Z3 By similarity
Metal binding4531Calcium 1; via carbonyl oxygen By similarity
Metal binding4681Calcium 1 By similarity
Metal binding4931Copper Z4 By similarity
Metal binding5821Copper A1 By similarity
Metal binding6171Copper A1 By similarity
Metal binding6171Copper A2 By similarity
Metal binding6191Copper A2; via carbonyl oxygen By similarity
Metal binding6211Copper A1 By similarity
Metal binding6211Copper A2 By similarity
Metal binding6251Copper A2 By similarity
Metal binding6281Copper A1 By similarity

Sequences

Sequence LengthMass (Da)Tools
Q8YBC6-1 [UniParc].

Last modified January 9, 2007. Version 3.
Checksum: CFF2E492E332B54E

FASTA63971,087
        10         20         30         40         50         60 
MTEETRKSQL SRRQLLGTSA FVAAAGASGL GGALLAGSSE TALAAGAAKG GMSPEVKPGE 

        70         80         90        100        110        120 
LDEYYVFFSS GQCGEVRIVG LPSMRELMRI PVFNRDSATG WGLTNESRKV LTEGLLPQDR 

       130        140        150        160        170        180 
EFLKDRGDIF LNGDLHHPHP SFTDGTYDGR YLYANDKANT RVCRIRLDVM KCDKIIQLPN 

       190        200        210        220        230        240 
QHTVHGLRVQ KYPKTGYVFC NGEDRVPIPN DGSHLNDVKQ YHAIFTAVDG ETMKVAWQVM 

       250        260        270        280        290        300 
VDGNLDNVDC DYQGKYAFST CYNSEEGTTL AEMMSSEQDW IVVFNLKRIE EAVANGDFKE 

       310        320        330        340        350        360 
MNGVPVIDGR HGSKYTRYIP VPNSPHGINT ALDGIHVVAN GKLSPTVTVF DVRKFDDLFD 

       370        380        390        400        410        420 
DKIKPRDAVV AEPELGLGPL HTAYDDKGNA YTTLFIDSQI CKWNIEDAKR AFKGEKVDPI 

       430        440        450        460        470        480 
RQKLDVHYQP GHNHSSMGQT KEVDGKWLIS LNKFSKDRYL NVGPLKPEND QLIDISGDKM 

       490        500        510        520        530        540 
VIVHDGPSFA EPHDATIVHR SKINPVSFWS REDPFFADAV AQAKADGLDL MEANEVVRDG 

       550        560        570        580        590        600 
NKVRVYMTSS APAFGLTEFT VQQDDEVTVY VTNIDEIEDL THGFAIVNYG VNMEVAPQAT 

       610        620        630 
ASVTFKASKP GVWWYYCSWF CHAMHMEMQG RMLVEPKKA 

« Hide

Cross-references

Sequence databases

AE009730 Genomic DNA. Translation: AAL54215.1. Sequence problems.
AE009730 Genomic DNA. Translation: AAL54216.1. Sequence problems.
PIRAD3631.
AE3631.
RefSeqNP_541951.1.
NP_541952.1.

3D structure databases

HSSPHSSP built from PDB template 1FWX based on UniProtKB Q51705.
ModBaseSearch...

Genome annotation databases

GeneID1198745.
1198746.
GenomeReviewsGene locus nosZ in contig AE008918_GR.
KEGGbme:BMEII0973.
bme:BMEII0974.

Organism-specific databases

CMRSearch...

Phylogenomic databases

HOGENOMQ8YBC6.

Enzyme and pathway databases

BioCycBMEL224914:BMEII0973-MON.
BMEL224914:BMEII0974-MON.

Family and domain databases

HAMAPMF_00716.
[Tree]
InterProIPR001505. Copper_CuA.
IPR002429. COX2_C.
IPR008972. Cupredoxin.
IPR006311. Tat.
IPR015943. WD40/YVTN_repeat-like.
[Graphical view]
Gene3DG3DSA:2.60.40.420. Cupredoxin. 1 hit.
G3DSA:2.130.10.10. WD40/YVTN_repeat-like. 1 hit.
PfamPF00116. COX2. 1 hit.
[Graphical view]
TIGRFAMsTIGR01409. TAT_signal_seq. 1 hit.
PROSITEPS00078. COX2. False negative.
PS50857. COX2_CUA. 1 hit.
PS51318. TAT. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameNOSZ_BRUME
AccessionPrimary (citable) accession number: Q8YBC6
Secondary accession number(s): Q8YBC7
Entry history
Integrated into UniProtKB/Swiss-Prot: October 3, 2003
Last sequence update: January 9, 2007
Last modified: November 25, 2008
This is version 48 of the entry and version 3 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation projectHAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)

Relevant documents

Brucella melitensis

Brucella melitensis (strain 16M): entries and gene names

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents