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    rpsU 30S ribosomal subunit protein S21 [ Escherichia coli str. K-12 substr. MG1655 ]

    Gene ID: 947577, updated on 3-Dec-2024

    Summary

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    Official Symbol
    rpsU
    Official Full Name
    30S ribosomal subunit protein S21
    Primary source
    ECOCYC:EG10920
    Locus tag
    b3065
    See related
    ASAP:ABE-0010063
    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
    ECK3055
    Summary
    rpsU has been shown to be an essential gene (Bubunenko, 2007). [More information is available at EcoGene: EG10920]. The S21 protein is a component of the 30S subunit of the ribosome. [More information is available at EcoCyc: EG10920].
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    Genomic context

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    Sequence:
    NC_000913.3 (3210781..3210996)

    NC_000913.3Genomic Context describing neighboring genes Neighboring gene L-tartrate:succinate antiporter Neighboring gene N(6)-L-threonylcarbamoyladenine synthase, TsaD subunit Neighboring gene DNA primase Neighboring gene RNA polymerase sigma factor RpoD

    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. The function of ribosomal protein S21 in protein synthesis. Van Duin J, et al. Eur J Biochem, 1981 Sep 1. PMID 7028483
    2. Determination of the complete amino acid sequence of protein S21 from Escherichia coli ribosomes. Vandekerckhove J, et al. Hoppe Seylers Z Physiol Chem, 1975 Dec. PMID 765257
    3. Fluorescence study of the topology of messenger RNA bound to the 30S ribosomal subunit of Escherichia coli. Czworkowski J, et al. Biochemistry, 1991 May 14. PMID 2029524
    4. Nucleotide sequence of the rpsU-dnaG-rpoD operon from Salmonella typhimurium and a comparison of this sequence with the homologous operon of Escherichia coli. Erickson BD, et al. Gene, 1985. PMID 3005129
    5. Ribosomal protein S21 is required for full activity in the initiation of protein synthesis. Held WA, et al. Mol Gen Genet, 1974. PMID 4595779

    See all (46) citations in PubMed

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?
    1. N-terminus verified by Edman degradation on mature peptide
      Title: Determination of the complete amino acid sequence of protein S21 from Escherichia coli ribosomes.
    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 rRNA binding IEA
    Inferred from Electronic Annotation
    more info
    		  
    enables structural constituent of ribosome IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    enables structural constituent of ribosome IEA
    Inferred from Electronic Annotation
    more info
    		  
    Process Evidence Code Pubs
    involved_in cytoplasmic translation NAS
    Non-traceable Author Statement
    more info
    		 PubMed 
    involved_in ribosomal small subunit assembly IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    involved_in translation IEA
    Inferred from Electronic Annotation
    more info
    		  
    Component Evidence Code Pubs
    located_in cytoplasm IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    located_in cytosol IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    part_of cytosolic small ribosomal subunit IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    part_of cytosolic small ribosomal subunit IPI
    Inferred from Physical Interaction
    more info
    		 PubMed 
    part_of ribonucleoprotein complex IEA
    Inferred from Electronic Annotation
    more info
    		  
    located_in ribosome IEA
    Inferred from Electronic Annotation
    more info
    		  

    General protein information

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    Preferred Names
    30S ribosomal subunit protein S21

    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
      3210781..3210996
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NP_417537.1 30S ribosomal subunit protein S21 [Escherichia coli str. K-12 substr. MG1655]

      See identical proteins and their annotated locations for NP_417537.1

      Status: PROVISIONAL

      UniProtKB/Swiss-Prot
      P68679
      Conserved Domains (1) summary
      PRK00270
      Location:1 → 64
      rpsU; 30S ribosomal protein S21; Reviewed
    Nucleotide Protein
    Heading Accession and Version

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