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Q02IZ4

- NAPA_PSEAB

UniProt

Q02IZ4 - NAPA_PSEAB

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Protein

Periplasmic nitrate reductase

Gene

napA

Organism
Pseudomonas aeruginosa (strain UCBPP-PA14)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

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.UniRule annotation

Catalytic activityi

Nitrite + acceptor = nitrate + reduced acceptor.UniRule annotation

Cofactori

Protein has several cofactor binding sites:
  • [4Fe-4S] clusterUniRule annotationNote: Binds 1 [4Fe-4S] cluster.UniRule annotation
  • Mo-bis(molybdopterin guanine dinucleotide)UniRule annotationNote: Binds 1 molybdenum-bis(molybdopterin guanine dinucleotide) (Mo-bis-MGD) cofactor per subunit.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi48 – 481Iron-sulfur (4Fe-4S)UniRule annotation
Metal bindingi51 – 511Iron-sulfur (4Fe-4S)UniRule annotation
Metal bindingi55 – 551Iron-sulfur (4Fe-4S)UniRule annotation
Metal bindingi83 – 831Iron-sulfur (4Fe-4S)UniRule annotation

GO - Molecular functioni

  1. 4 iron, 4 sulfur cluster binding Source: UniProtKB-HAMAP
  2. electron carrier activity Source: UniProtKB-HAMAP
  3. iron ion binding Source: UniProtKB-HAMAP
  4. molybdenum ion binding Source: InterPro
  5. nitrate reductase activity Source: UniProtKB-HAMAP

GO - Biological processi

  1. Mo-molybdopterin cofactor biosynthetic process Source: UniProtKB-HAMAP
  2. nitrate assimilation Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Nitrate assimilation, Transport

Keywords - Ligandi

4Fe-4S, Iron, Iron-sulfur, Metal-binding, Molybdenum

Enzyme and pathway databases

BioCyciPAER208963:GI5K-3982-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Periplasmic nitrate reductaseUniRule annotation (EC:1.7.99.4UniRule annotation)
Gene namesi
Name:napAUniRule annotation
Ordered Locus Names:PA14_49250
OrganismiPseudomonas aeruginosa (strain UCBPP-PA14)
Taxonomic identifieri208963 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPseudomonadalesPseudomonadaceaePseudomonas
ProteomesiUP000000653: Chromosome

Subcellular locationi

Periplasm UniRule annotation

GO - Cellular componenti

  1. periplasmic space Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Cellular componenti

Periplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2929Tat-type signalUniRule annotationAdd
BLAST
Chaini30 – 834805Periplasmic nitrate reductasePRO_1000069723Add
BLAST

Post-translational modificationi

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

Interactioni

Subunit structurei

Interacts with NapB.UniRule annotation

Protein-protein interaction databases

STRINGi208963.PA14_49250.

Structurei

3D structure databases

ProteinModelPortaliQ02IZ4.
SMRiQ02IZ4. Positions 43-829.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini41 – 97574Fe-4S Mo/W bis-MGD-typeUniRule annotationAdd
BLAST

Sequence similaritiesi

Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily.UniRule annotation
Contains 1 4Fe-4S Mo/W bis-MGD-type domain.UniRule annotation

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiCOG0243.
HOGENOMiHOG000031441.
KOiK02567.
OMAiLVYMHPE.
OrthoDBiEOG6CVV7G.

Family and domain databases

HAMAPiMF_01630. Nitrate_reduct.
InterProiIPR009010. Asp_de-COase-like_dom.
IPR006657. MoPterin_dinucl-bd_dom.
IPR006656. Mopterin_OxRdtase.
IPR006963. Mopterin_OxRdtase_4Fe-4S_dom.
IPR027467. MopterinOxRdtase_cofactor_BS.
IPR010051. Periplasm_NO3_reductase_lsu.
IPR006311. TAT_signal.
[Graphical view]
PfamiPF04879. Molybdop_Fe4S4. 1 hit.
PF00384. Molybdopterin. 1 hit.
PF01568. Molydop_binding. 1 hit.
[Graphical view]
SMARTiSM00926. Molybdop_Fe4S4. 1 hit.
[Graphical view]
SUPFAMiSSF50692. SSF50692. 1 hit.
TIGRFAMsiTIGR01706. NAPA. 1 hit.
PROSITEiPS51669. 4FE4S_MOW_BIS_MGD. 1 hit.
PS00551. MOLYBDOPTERIN_PROK_1. 1 hit.
PS51318. TAT. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q02IZ4-1 [UniParc]FASTAAdd to Basket

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        10         20         30         40         50
MNLTRREFAK ANAAAIAAAA AGLPILVRAS NLVTEADVTS LVWNKAPCRF
60 70 80 90 100
CGTGCSVMVA TRDGQVVATH GDIKAEVNRG INCVKGYFLS KIMYGSDRLT
110 120 130 140 150
RPLLRMKDGK FDKQGEFQPI SWEQAFDIMA EKFKAALKAK GPESVGMFGS
160 170 180 190 200
GQWTVWEGYA ANKLFKAGLR SNNIDPNARH CMASAVMGFM RSFGMDEPMG
210 220 230 240 250
CYDDIEATDS FVLWGSNMAE MHPVLWSRVT DRRLSAPQVK VAVLSTFEHR
260 270 280 290 300
SFELADLPMV FKPQTDLIIL NYIANHIIES GAVNRDFVER HVRFAHGAED
310 320 330 340 350
IGYGLRPDDP LEKKAKNADK ANTWSDIDFK AFAEFVKPYT LERTARESGV
360 370 380 390 400
PAERLKALAE LYADPKRKVV SFWTMGFNQH TRGVWANNLI YNIHLLTGKI
410 420 430 440 450
SEPGNSPFSL TGQPSACGTA REVGTFSHRL PADLVVTNPK HRETAEKIWK
460 470 480 490 500
VPAGTIQEKV GFHAVQQSRM LNDGVLNVYW TQVSNNMQAG PNVMQEVLPG
510 520 530 540 550
WRNPDNFVIV SDVYPTVSAQ AADLILPSAM WVEKEGAFGN AERRTQFWHQ
560 570 580 590 600
LVKAPGEAKS DLWQLVEFSK RFTTDEVWPA ELLAKAPELK GKTLYDVLFR
610 620 630 640 650
NGQVDRFPAS DLAKGYANDE VDAFGFYIQK GLFEEYAAFG RGHGHDLAPF
660 670 680 690 700
DAYHEARGLR WPVVDGKETR WRYREGYDPY VSKGSGVQFY GYPDKKAIVF
710 720 730 740 750
ALPYEPPAEA PDQDYPFWLA TGRVLEHWHT GSMTARVPEL YKAVPDALVY
760 770 780 790 800
MHPEDARQLK LRRGSEVKVV SRRGEIRARV ETRGRNKPPQ GLVFVPFFDA
810 820 830
NKLINKVTLD ATDPISKQTD YKKCAVRIEL LNLA
Length:834
Mass (Da):93,498
Last modified:November 14, 2006 - v1
Checksum:i3F503BC6409B6548
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000438 Genomic DNA. Translation: ABJ10342.1.
RefSeqiYP_792092.1. NC_008463.1.

Genome annotation databases

EnsemblBacteriaiABJ10342; ABJ10342; PA14_49250.
GeneIDi4380122.
KEGGipau:PA14_49250.
PATRICi19854202. VBIPseAer79785_4044.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000438 Genomic DNA. Translation: ABJ10342.1 .
RefSeqi YP_792092.1. NC_008463.1.

3D structure databases

ProteinModelPortali Q02IZ4.
SMRi Q02IZ4. Positions 43-829.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 208963.PA14_49250.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABJ10342 ; ABJ10342 ; PA14_49250 .
GeneIDi 4380122.
KEGGi pau:PA14_49250.
PATRICi 19854202. VBIPseAer79785_4044.

Phylogenomic databases

eggNOGi COG0243.
HOGENOMi HOG000031441.
KOi K02567.
OMAi LVYMHPE.
OrthoDBi EOG6CVV7G.

Enzyme and pathway databases

BioCyci PAER208963:GI5K-3982-MONOMER.

Family and domain databases

HAMAPi MF_01630. Nitrate_reduct.
InterProi IPR009010. Asp_de-COase-like_dom.
IPR006657. MoPterin_dinucl-bd_dom.
IPR006656. Mopterin_OxRdtase.
IPR006963. Mopterin_OxRdtase_4Fe-4S_dom.
IPR027467. MopterinOxRdtase_cofactor_BS.
IPR010051. Periplasm_NO3_reductase_lsu.
IPR006311. TAT_signal.
[Graphical view ]
Pfami PF04879. Molybdop_Fe4S4. 1 hit.
PF00384. Molybdopterin. 1 hit.
PF01568. Molydop_binding. 1 hit.
[Graphical view ]
SMARTi SM00926. Molybdop_Fe4S4. 1 hit.
[Graphical view ]
SUPFAMi SSF50692. SSF50692. 1 hit.
TIGRFAMsi TIGR01706. NAPA. 1 hit.
PROSITEi PS51669. 4FE4S_MOW_BIS_MGD. 1 hit.
PS00551. MOLYBDOPTERIN_PROK_1. 1 hit.
PS51318. TAT. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: UCBPP-PA14.

Entry informationi

Entry nameiNAPA_PSEAB
AccessioniPrimary (citable) accession number: Q02IZ4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 5, 2008
Last sequence update: November 14, 2006
Last modified: November 26, 2014
This is version 65 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3