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    napB periplasmic nitrate reductase cytochrome c550 protein [ Escherichia coli str. K-12 substr. MG1655 ]

    Gene ID: 946698, updated on 17-Dec-2024

    Summary

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    Official Symbol
    napB
    Official Full Name
    periplasmic nitrate reductase cytochrome c550 protein
    Primary source
    ECOCYC:EG12061
    Locus tag
    b2203
    See related
    ASAP:ABE-0007283
    Gene type
    protein coding
    RefSeq status
    PROVISIONAL
    Organism
    Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
    Lineage
    Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
    Also known as
    ECK2195; yejY
    Summary
    The napB gene encodes the diheme cytochrome c550 protein which is complexed with NapA in the periplasm; it receives electrons from the membrane-bound proteins and passes them to NapA. [More information is available at EcoCyc: EG12061].
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    Genomic context

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    Sequence:
    NC_000913.3 (2298269..2298718, complement)

    NC_000913.3Genomic Context describing neighboring genes Neighboring gene cytochrome c maturation protein B Neighboring gene cytochrome c maturation protein A Neighboring gene periplasmic nitrate reductase cytochrome c protein Neighboring gene ferredoxin-type protein NapH Neighboring gene ferredoxin-type protein NapG Neighboring gene periplasmic nitrate reductase subunit NapA Neighboring gene NapA signal peptide-binding chaperone NapD

    Genomic regions, transcripts, and products

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    Genomic Sequence:
    NC_000913.3

    Go to nucleotide: Graphics FASTA GenBank

    Bibliography

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    Related articles in PubMed

    1. Spectropotentiometric and structural analysis of the periplasmic nitrate reductase from Escherichia coli. Jepson BJ, et al. J Biol Chem, 2007 Mar 2. PMID 17130127
    2. The periplasmic nitrate reductase from Escherichia coli: a heterodimeric molybdoprotein with a double-arginine signal sequence and an unusual leader peptide cleavage site. Thomas G, et al. FEMS Microbiol Lett, 1999 May 1. PMID 10234835
    3. Competition between Escherichia coli strains expressing either a periplasmic or a membrane-bound nitrate reductase: does Nap confer a selective advantage during nitrate-limited growth? Potter LC, et al. Biochem J, 1999 Nov 15. PMID 10548536, Free PMC Article
    4. The molybdate-responsive Escherichia coli ModE transcriptional regulator coordinates periplasmic nitrate reductase (napFDAGHBC) operon expression with nitrate and molybdate availability. McNicholas PM, et al. J Bacteriol, 2002 Jun. PMID 12029041, Free PMC Article
    5. STUDIES ON THE PYRIDINE NUCLEOTIDE SPECIFICITY OF NITRATE REDUCTASE IN HIGHER PLANTS AND ITS RELATIONSHIP TO SULFHYDRYL LEVEL. BEEVERS L, et al. Biochim Biophys Acta, 1964 Sep 18. PMID 14209328

    See all (20) citations in PubMed

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?
    1. N-terminus verified by Edman degradation on mature peptide
      Title: The periplasmic nitrate reductase from Escherichia coli: a heterodimeric molybdoprotein with a double-arginine signal sequence and an unusual leader peptide cleavage site.
    Submit: New GeneRIF Correction

    Interactions

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    Products Interactant Other Gene Complex Source Pubs Description

    General gene information

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    Homology

    Gene Ontology Provided by EcoCyc

    Function Evidence Code Pubs
    enables metal ion binding IEA
    Inferred from Electronic Annotation
    more info
    		  
    enables protein binding IPI
    Inferred from Physical Interaction
    more info
    		 PubMed 
    Process Evidence Code Pubs
    involved_in anaerobic respiration IBA
    Inferred from Biological aspect of Ancestor
    more info
    		  
    involved_in anaerobic respiration IEA
    Inferred from Electronic Annotation
    more info
    		  
    acts_upstream_of_or_within anaerobic respiration IMP
    Inferred from Mutant Phenotype
    more info
    		 PubMed 
    involved_in anaerobic respiration NAS
    Non-traceable Author Statement
    more info
    		 PubMed 
    involved_in nitrate assimilation NAS
    Non-traceable Author Statement
    more info
    		 PubMed 
    Component Evidence Code Pubs
    part_of nitrate reductase complex IPI
    Inferred from Physical Interaction
    more info
    		 PubMed 
    located_in periplasmic space IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    located_in periplasmic space IEA
    Inferred from Electronic Annotation
    more info
    		  

    General protein information

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    Preferred Names
    periplasmic nitrate reductase cytochrome c550 protein
    NP_416707.4

    NCBI Reference Sequences (RefSeq)

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    Genome Annotation

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference assembly

    Genomic

    1. NC_000913.3 Reference assembly

      Range
      2298269..2298718 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NP_416707.4 periplasmic nitrate reductase cytochrome c550 protein [Escherichia coli str. K-12 substr. MG1655]

      See identical proteins and their annotated locations for NP_416707.4

      Status: PROVISIONAL

      UniProtKB/TrEMBL
      A0A376VIA0, A0A6C9QJK1
      Conserved Domains (1) summary
      PRK11586
      Location:1 → 149
      napB; nitrate reductase cytochrome c-type subunit
    Nucleotide Protein
    Heading Accession and Version

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