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Q9I4G3

- NAPA_PSEAE

UniProt

Q9I4G3 - NAPA_PSEAE

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Protein
Periplasmic nitrate reductase
Gene
napA, PA1174
Organism
Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228)
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 By similarity.UniRule annotation

Catalytic activityi

Nitrite + acceptor = nitrate + reduced acceptor.UniRule annotation

Cofactori

Binds 1 4Fe-4S cluster By similarity.UniRule annotation
Binds 1 molybdenum-bis(molybdopterin guanine dinucleotide) (Mo-bis-MGD) cofactor per subunit By similarity.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi43 – 431Iron-sulfur (4Fe-4S) By similarity
Metal bindingi46 – 461Iron-sulfur (4Fe-4S) By similarity
Metal bindingi50 – 501Iron-sulfur (4Fe-4S) By similarity
Metal bindingi78 – 781Iron-sulfur (4Fe-4S) By similarity

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

Names & Taxonomyi

Protein namesi
Recommended name:
Periplasmic nitrate reductase (EC:1.7.99.4)
Gene namesi
Name:napA
Ordered Locus Names:PA1174
OrganismiPseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228)
Taxonomic identifieri208964 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPseudomonadalesPseudomonadaceaePseudomonas
ProteomesiUP000002438: Chromosome

Organism-specific databases

PseudoCAPiPA1174.

Subcellular locationi

Periplasm By similarity UniRule annotation

GO - Cellular componenti

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

Keywords - Cellular componenti

Periplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2424 Reviewed prediction
Add
BLAST
Chaini25 – 829805Periplasmic nitrate reductaseUniRule annotation
PRO_0000045995Add
BLAST

Interactioni

Subunit structurei

Interacts with NapB By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi208964.PA1174.

Structurei

3D structure databases

ProteinModelPortaliQ9I4G3.
SMRiQ9I4G3. Positions 28-823.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini36 – 92574Fe-4S Mo/W bis-MGD-type
Add
BLAST

Sequence similaritiesi

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiCOG0243.
HOGENOMiHOG000031441.
KOiK02567.
OMAiLVYMHPE.
OrthoDBiEOG6CVV7G.
PhylomeDBiQ9I4G3.

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.
[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.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

Q9I4G3-1 [UniParc]FASTAAdd to Basket

« Hide

MNSPRPTPPP FAAAAAGLPI LVRASNLVTE ADVTSLVWNK APCRFCGTGC    50
SVMVATRDGQ VVATHGDIKA EVNRGINCVK GYFLSKIMYG SDRLTRPLLR 100
MKDGKFDKQG EFQPISWEQA FDIMAEKFKA ALKAKGPESV GMFGSGQWTV 150
WEGYAANKLF KAGLRSNNID PNARHCMASA VMGFMRSFGM DEPMGCYDDI 200
EATDSFVLWG SNMAEMHPVL WSRVTDRRLS APQVKVAVLS TFEHRSFELA 250
DLPMVFKPQT DLIILNYIAN HIIESGAVNR DFVERHVRFA HGAEDIGYGL 300
RPDDPLEKKA KNADKANTWS DIDFKAFAEF VKPYTLERTA RESGVPAERL 350
KALAELYADP KRKVVSFWTM GFNQHTRGVW ANNLIYNIHL LTGKISEPGN 400
SPFSLTGQPS ACGTAREVGT FSHRLPADLV VTNPKHRETA EKIWKVPAGT 450
IQEKVGFHAV QQSRMLKDGV LNVYWTQVSN NMQAGPNVMQ EVLPGWRNPD 500
NFVIVSDVYP TVSAQAADLI LPSAMWVEKE GAFGNAERRT QFWHQLVKAP 550
GEAKSDLWQL VEFSKRFTTD EVWPAELLAK APELKGKTLY DVLFRNGQVD 600
RFPASDLAKG YANDEVDAFG FYIQKGLFEE YAAFGRGHGH DLAPFDAYHE 650
ARGLRWPVVD GKETRWRYRE GYDPYVSKGS GVQFYGYPDK KAIVFALPYE 700
PPAEAPDQDY PFWLATGRVL EHWHTGSMTA RVPELYKAVP DALVYMHPED 750
ARQLKLRRGS EVKVVSRRGE IRARVETRGR NKPPQGLVFV PFFDANKLIN 800
KVTLDATDPI SKQTDYKKCA VRIELLNLA 829
Length:829
Mass (Da):92,975
Last modified:March 1, 2001 - v1
Checksum:i4B543C34FEDB0398
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE004091 Genomic DNA. Translation: AAG04563.1.
PIRiF83499.
RefSeqiNP_249865.1. NC_002516.2.

Genome annotation databases

EnsemblBacteriaiAAG04563; AAG04563; PA1174.
GeneIDi878409.
KEGGipae:PA1174.
PATRICi19836666. VBIPseAer58763_1219.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE004091 Genomic DNA. Translation: AAG04563.1 .
PIRi F83499.
RefSeqi NP_249865.1. NC_002516.2.

3D structure databases

ProteinModelPortali Q9I4G3.
SMRi Q9I4G3. Positions 28-823.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 208964.PA1174.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAG04563 ; AAG04563 ; PA1174 .
GeneIDi 878409.
KEGGi pae:PA1174.
PATRICi 19836666. VBIPseAer58763_1219.

Organism-specific databases

PseudoCAPi PA1174.

Phylogenomic databases

eggNOGi COG0243.
HOGENOMi HOG000031441.
KOi K02567.
OMAi LVYMHPE.
OrthoDBi EOG6CVV7G.
PhylomeDBi Q9I4G3.

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.
[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.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228.

Entry informationi

Entry nameiNAPA_PSEAE
AccessioniPrimary (citable) accession number: Q9I4G3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 7, 2006
Last sequence update: March 1, 2001
Last modified: July 9, 2014
This is version 83 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, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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