A0A7G9L728 · A0A7G9L728_9FLAO

  • Protein
    Na(+)-translocating NADH-quinone reductase subunit B
  • Gene
    nqrB
  • Status
    UniProtKB unreviewed (TrEMBL)
  • Amino acids
  • Protein existence
    Inferred from homology
  • Annotation score
    3/5

Function

function

NQR complex catalyzes the reduction of ubiquinone-1 to ubiquinol by two successive reactions, coupled with the transport of Na+ ions from the cytoplasm to the periplasm. NqrA to NqrE are probably involved in the second step, the conversion of ubisemiquinone to ubiquinol.

Catalytic activity

Cofactor

FMN (UniProtKB | Rhea| CHEBI:58210 )

GO annotations

all annotationsall molecular functionvirus receptor activitydna bindingrna bindingcytoskeletal motor activitycatalytic activitygtpase activitystructural molecule activitytransporter activitycytoskeletal protein bindinglipid bindingcyclase activityantioxidant activityoxidoreductase activitytransferase activityhydrolase activitylyase activityisomerase activityligase activityprotein tag activitycargo receptor activityhistone bindingprotein folding chaperonetranslation regulator activitynutrient reservoir activityreceptor ligand activitymolecular transducer activitymolecular adaptor activitytoxin activitycell adhesion mediator activitymolecular function regulator activityvirus coreceptor activitycatalytic activity, acting on a proteincatalytic activity, acting on dnacatalytic activity, acting on rnamolecular carrier activitytranscription regulator activitygeneral transcription initiation factor activitymolecular sensor activitymolecular sequestering activityatp-dependent activityother molecular functionall biological processmitotic cell cyclecytokinesiscytoplasmic translationimmune system processmuscle system processcirculatory system processrenal system processrespiratory system processcarbohydrate metabolic processgeneration of precursor metabolites and energydna replicationdna repairdna recombinationchromatin organizationdna-templated transcriptionregulation of dna-templated transcriptiontrna metabolic processprotein foldingprotein glycosylationamino acid metabolic processmodified amino acid metabolic processlipid metabolic processvitamin metabolic processsulfur compound metabolic processintracellular protein transportnucleocytoplasmic transportautophagyinflammatory responsemitochondrion organizationcytoskeleton organizationmicrotubule-based movementperoxisome organizationlysosome organizationchromosome segregationcell adhesionestablishment or maintenance of cell polarityprogrammed cell deathphotosynthesismrna metabolic processsnrna metabolic processvesicle-mediated transportreproductive processdigestive system processsignalingcell differentiationprotein catabolic processextracellular matrix organizationregulatory ncrna-mediated gene silencingtelomere organizationcell junction organizationwound healingribosome biogenesiscilium organizationanatomical structure developmentcell motilitynervous system processendocrine processprotein maturationtransmembrane transportnucleobase-containing small molecule metabolic processhepaticobiliary system processmembrane organizationprotein-containing complex assemblycell wall organization or biogenesisnitrogen cycle metabolic processprotein localization to plasma membranedefense response to other organismdetoxificationmeiotic nuclear divisionmitotic nuclear divisionmitochondrial gene expressioncarbohydrate derivative metabolic processother biological processall cellular componentnuclear chromosomeextracellular regionextracellular spacecell wallnucleusnuclear envelopenucleoplasmchromosomenucleolusmitochondrionlysosomeendosomevacuoleperoxisomeendoplasmic reticulumgolgi apparatuslipid dropletmicrotubule organizing centercytosolribosomecytoskeletonplasma membraneciliumplastidthylakoidexternal encapsulating structureextracellular matrixcytoplasmic vesicleorganelleother cellular component
Cell color indicative of number of GO terms
AspectTerm
Cellular Componentplasma membrane
Molecular FunctionFMN binding
Molecular Functionoxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor
Biological Processrespiratory electron transport chain
Biological Processsodium ion transport
Biological Processtransmembrane transport

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    Na(+)-translocating NADH-quinone reductase subunit B
  • EC number
  • Short names
    Na(+)-NQR subunit B
    ; Na(+)-translocating NQR subunit B
  • Alternative names
    • NQR complex subunit B
    • NQR-1 subunit B

Gene names

    • Name
      nqrB
    • ORF names
      H9W90_09450

Organism names

  • Taxonomic identifier
  • Organism
  • Strain
    • L12M9
  • Taxonomic lineage
    Bacteria > Bacteroidota > Flavobacteriia > Flavobacteriales > Flavobacteriaceae

Accessions

  • Primary accession
    A0A7G9L728

Proteomes

Subcellular Location

Cell membrane
; Multi-pass membrane protein

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane56-77Helical
Transmembrane98-124Helical
Transmembrane144-165Helical
Transmembrane242-265Helical
Transmembrane272-290Helical
Transmembrane310-328Helical
Transmembrane340-358Helical
Transmembrane364-384Helical

Keywords

PTM/Processing

Features

Showing features for modified residue.

TypeIDPosition(s)Description
Modified residue220FMN phosphoryl threonine

Keywords

Interaction

Subunit

Composed of six subunits; NqrA, NqrB, NqrC, NqrD, NqrE and NqrF.

Family & Domains

Sequence similarities

Belongs to the NqrB/RnfD family.

Keywords

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    400
  • Mass (Da)
    44,037
  • Last updated
    2021-02-10 v1
  • Checksum
    7A28D5AE9B45EFF2
MGLKQNLHNLKEKYKGTKMAPAFNAIHTFLYLPNEVTHKGGTHIKAADDLKRTMNIVIMALIPCLIFGMFNAGYQHYAAIDGSLRTDVLANFFTFDNLWIGIIKVLPLVIVSYGVGLLVEFIFAVIKGHEVEEGYLVTGMLVPLIVPVDTPLWMLAVAVVFGVVIGKEVFGGTGMNILNPALTIRAFLFFAYPTWMSGDKVWVYDAVERTGTADAISGETILGSYAQNQEVIYSTWDKFAGFIPGSIGETSTLLILLGAAFLIFTKIGSWRIIVSTFIGAAVMGLIFNQIVAADIITESSKFYGLMNTVWWEHLMIGGLAFGAVFMATDPVTASQTNKGKWIYGFLIGFISIMIRVFNPAYPEGVFLAILLMNVFAPTIDHYVVQGNVKKRLKRTKVKTA

Keywords

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
CP060695
EMBL· GenBank· DDBJ
QNM84427.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

Disclaimer

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