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C4ZU48 (NAPA_ECOBW) Reviewed, UniProtKB/Swiss-Prot

Last modified May 1, 2013. Version 31. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
Periplasmic nitrate reductase
EC=1.7.99.4
Gene names
Name:napA
Ordered Locus Names:BWG_1979
OrganismEscherichia coli (strain K12 / MC4100 / BW2952) [Complete proteome] [HAMAP]
Taxonomic identifier595496 [NCBI]
Taxonomic lineageBacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia ›

Protein attributes

Sequence length828 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceInferred from homology

General annotation (Comments)

Function

Catalytic subunit of the periplasmic nitrate reductase (NAP). Only expressed at high levels during aerobic growth. NapAB complex receives electrons from the membrane-anchored tetraheme protein NapC, thus allowing electron flow between membrane and periplasm. Essential function for nitrate assimilation and may have a role in anaerobic metabolism By similarity. HAMAP-Rule MF_01630

Catalytic activity

Nitrite + acceptor = nitrate + reduced acceptor. HAMAP-Rule MF_01630

Cofactor

Binds 1 4Fe-4S cluster By similarity.

Binds 1 molybdenum ion per subunit By similarity.

Binds 2 molybdopterin guanine dinucleotide (MGD) groups per subunit By similarity.

Subunit structure

Interacts with NapB By similarity.

Subcellular location

Periplasm By similarity.

Post-translational modification

Predicted to be exported by the Tat system. The position of the signal peptide cleavage has not been experimentally proven. HAMAP-Rule MF_01630

Sequence similarities

Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Signal peptide1 – 3131Tat-type signal Potential
Chain32 – 828797Periplasmic nitrate reductase HAMAP-Rule MF_01630
PRO_1000215767

Sites

Metal binding461Iron-sulfur (4Fe-4S) By similarity
Metal binding491Iron-sulfur (4Fe-4S) By similarity
Metal binding531Iron-sulfur (4Fe-4S) By similarity
Metal binding811Iron-sulfur (4Fe-4S) By similarity

Sequences

Sequence LengthMass (Da)Tools
C4ZU48 [UniParc].

Last modified July 28, 2009. Version 1.
Checksum: CE2D7AB000FEAFCA

FASTA82893,042
        10         20         30         40         50         60 
MKLSRRSFMK ANAVAAAAAA AGLSVPGVAR AVVGQQEAIK WDKAPCRFCG TGCGVLVGTQ 

        70         80         90        100        110        120 
QGRVVACQGD PDAPVNRGLN CIKGYFLPKI MYGKDRLTQP LLRMKNGKYD KEGEFTPITW 

       130        140        150        160        170        180 
DQAFDVMEEK FKTALKEKGP ESIGMFGSGQ WTIWEGYAAS KLFKAGFRSN NIDPNARHCM 

       190        200        210        220        230        240 
ASAVVGFMRT FGMDEPMGCY DDIEQADAFV LWGANMAEMH PILWSRITNR RLSNQNVTVA 

       250        260        270        280        290        300 
VLSTYQHRSF ELADNGIIFT PQSDLVILNY IANYIIQNNA INQDFFSKHV NLRKGATDIG 

       310        320        330        340        350        360 
YGLRPTHPLE KAAKNPGSDA SEPMSFEDYK AFVAEYTLEK TAEMTGVPKD QLEQLAQLYA 

       370        380        390        400        410        420 
DPNKKVISYW TMGFNQHTRG VWANNLVYNL HLLTGKISQP GCGPFSLTGQ PSACGTAREV 

       430        440        450        460        470        480 
GTFAHRLPAD MVVTNEKHRD ICEKKWNIPS GTIPAKIGLH AVAQDRALKD GKLNVYWTMC 

       490        500        510        520        530        540 
TNNMQAGPNI NEERMPGWRD PRNFIIVSDP YPTVSALAAD LILPTAMWVE KEGAYGNAER 

       550        560        570        580        590        600 
RTQFWRQQVQ APGEAKSDLW QLVQFSRRFK TEEVWPEDLL AKKPELRGKT LYEVLYATPE 

       610        620        630        640        650        660 
VSKFPVSELA EDQLNDESRE LGFYLQKGLF EEYAWFGRGH GHDLAPFDDY HKARGLRWPV 

       670        680        690        700        710        720 
VNGKETQWRY SEGNDPYVKA GEGYKFYGKP DGKAVIFALP FEPAAEAPDE EYDLWLSTGR 

       730        740        750        760        770        780 
VLEHWHTGSM TRRVPELHRA FPEAVLFIHP LDAKARDLRR GDKVKVVSRR GEVISIVETR 

       790        800        810        820 
GRNRPPQGLV YMPFFDAAQL VNKLTLDATD PLSKETDFKK CAVKLEKV

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References

[1]"Genomic sequencing reveals regulatory mutations and recombinational events in the widely used MC4100 lineage of Escherichia coli K-12."
Ferenci T., Zhou Z., Betteridge T., Ren Y., Liu Y., Feng L., Reeves P.R., Wang L.
J. Bacteriol. 191:4025-4029(2009) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: K12 / MC4100 / BW2952.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ		CP001396 Genomic DNA. Translation: ACR63904.1.
RefSeqYP_002927176.1. NC_012759.1.

3D structure databases

ProteinModelPortalC4ZU48.
SMRC4ZU48. Positions 1-35, 37-827.
ModBaseSearch...

Protein-protein interaction databases

STRING595496.BWG_1979.

Proteomic databases

PRIDEC4ZU48.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaACR63904; ACR63904; BWG_1979.
GeneID7953566.
KEGGebw:BWG_1979.
PATRIC18273306. VBIEscCol60876_2177.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0243.
HOGENOMHOG000031441.
KOK02567.
OMAHWIKAAR.
ProtClustDBPRK13532.

Enzyme and pathway databases

BioCycECOL595496:GI18-2362-MONOMER.

Family and domain databases

Gene3D2.40.40.20. 1 hit.
HAMAPMF_01630. Nitrate_reduct.
InterProIPR009010. Asp_de-COase-like_dom.
IPR006657. MoPterin_dinucl-bd_dom.
IPR006656. Mopterin_OxRdtase.
IPR006963. Mopterin_OxRdtase_Fe4S4_dom.
IPR006655. Mopterin_OxRdtase_prok_CS.
IPR010051. Periplasm_NO3_reductase_lsu.
IPR006311. TAT_signal.
IPR019546. TAT_signal_bac_arc.
[Graphical view]
PfamPF04879. Molybdop_Fe4S4. 1 hit.
PF00384. Molybdopterin. 1 hit.
PF01568. Molydop_binding. 1 hit.
[Graphical view]
SMARTSM00926. Molybdop_Fe4S4. 1 hit.
[Graphical view]
SUPFAMSSF50692. Asp_decarb_fold. 1 hit.
TIGRFAMsTIGR01706. NAPA. 1 hit.
TIGR01409. TAT_signal_seq. 1 hit.
PROSITEPS00551. MOLYBDOPTERIN_PROK_1. 1 hit.
PS00490. MOLYBDOPTERIN_PROK_2. False negative.
PS00932. MOLYBDOPTERIN_PROK_3. False negative.
PS51318. TAT. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameNAPA_ECOBW
AccessionPrimary (citable) accession number: C4ZU48
Entry history
Integrated into UniProtKB/Swiss-Prot: September 22, 2009
Last sequence update: July 28, 2009
Last modified: May 1, 2013
This is version 31 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

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