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ykgM 50S ribosomal subunit protein L31B [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 944960, updated on 4-Feb-2026
Official Symbol
ykgM
Official Full Name
50S ribosomal subunit protein L31B
Primary source
ECOCYC:G6167
Locus tag
b0296
See related
ASAP:ABE-0001021
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
Lineage
Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
Also known as
ECK0296
Summary
YkgM is homologous to ribosomal protein L31. [More information is available at EcoGene: EG14326]. YkgM is a paralog of RpmE, the |FRAME: [More information is available at EcoCyc: G6167].
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Sequence:
NC_000913.3 (312514..312777, complement)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene uncharacterized protein YkgL Neighboring gene 50S ribosomal subunit protein L36B Neighboring gene putative membrane protein YkgR Neighboring gene pseudo

Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Related articles in PubMed

  1. Phenotypic effects of paralogous ribosomal proteins bL31A and bL31B in E. coli. Lilleorg S, et al. Sci Rep, 2020 Jul 15. PMID 32669635, Free PMC Article
  2. Bacterial ribosome heterogeneity: Changes in ribosomal protein composition during transition into stationary growth phase. Lilleorg S, et al. Biochimie, 2019 Jan. PMID 30359641
  3. The Intersubunit Bridge B1b of the Bacterial Ribosome Facilitates Initiation of Protein Synthesis and Maintenance of Translational Fidelity. Lilleorg S, et al. J Mol Biol, 2017 Apr 7. PMID 28238762
  4. Severe zinc depletion of Escherichia coli: roles for high affinity zinc binding by ZinT, zinc transport and zinc-independent proteins. Graham AI, et al. J Biol Chem, 2009 Jul 3. PMID 19377097, Free PMC Article
  5. Global approaches for finding small RNA and small open reading frame functions. Wassarman KM, et al. J Bacteriol, 2010 Jan. PMID 19854892, Free PMC Article

See all (16) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. Phenotypic effects of paralogous ribosomal proteins bL31A and bL31B in E. coli.
    Title: Phenotypic effects of paralogous ribosomal proteins bL31A and bL31B in E. coli.
  2. The authors conclude that the only protein-protein intersubunit bridge of the bacterial ribosome facilitates translation initiation and is essential for maintaining the reading frame of mRNA translation.
    Title: The Intersubunit Bridge B1b of the Bacterial Ribosome Facilitates Initiation of Protein Synthesis and Maintenance of Translational Fidelity.
  3. Data show that maltose binding protein (MBP)-YkgM does not bind Zn(II), on the other hand, MBP-L31 tightly binds 1 equivalent of Zn(II).
    Title: Characterization of Zn(II)-responsive ribosomal proteins YkgM and L31 in E. coli.
Submit: New GeneRIF Correction
Products Interactant Other Gene Complex Source Pubs Description

Homology

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables structural constituent of ribosome IBA
Inferred from Biological aspect of Ancestor
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
acts_upstream_of_or_within cellular response to zinc ion starvation IEP
Inferred from Expression Pattern
more info
 PubMed 
acts_upstream_of_or_within cellular response to zinc ion starvation IMP
Inferred from Mutant Phenotype
more info
 PubMed 
involved_in cytoplasmic translation NAS
Non-traceable Author Statement
more info
 PubMed 
involved_in translation IBA
Inferred from Biological aspect of Ancestor
more info
  
involved_in translation 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 
part_of cytosolic large ribosomal subunit IDA
Inferred from Direct Assay
more info
 PubMed 
part_of ribonucleoprotein complex IEA
Inferred from Electronic Annotation
more info
  
located_in ribosome IEA
Inferred from Electronic Annotation
more info
  
Preferred Names
50S ribosomal subunit protein L31B

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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
    312514..312777 complement
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_414830.1 50S ribosomal subunit protein L31B

    See identical proteins and their annotated locations for NP_414830.1

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A6N8RBL0
    Conserved Domains (1) summary
    PRK01678
    Location:1 → 86
    rpmE2; type B 50S ribosomal protein L31
Nucleotide Protein
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