RbgA

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  • Description: assembly of the 50S subunit of the ribosome

Gene name rbgA
Synonyms ylqF
Essential yes PubMed
Product GTPase
Function ribosome assembly
Gene expression levels in SubtiExpress: rbgA
MW, pI 31 kDa, 9.528
Gene length, protein length 846 bp, 282 aa
Immediate neighbours rplS, rnhB
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YlqF context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
RbgA expression.png















Categories containing this gene/protein

translation, essential genes, GTP-binding proteins

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU16050

Phenotypes of a mutant

essential PubMed

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Binds and hydrolyzes GTP and readily exchanges GDP for GTP
  • Protein family: MTG1 subfamily (according to Swiss-Prot) Era/Obg family

Extended information on the protein

  • Kinetic information:
  • Domains:
    • RNA-binding domain at the C-terminus PubMed
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Naotake Ogasawara, Nara, Japan

Your additional remarks

References

Reviews

Natalie Verstraeten, Maarten Fauvart, Wim Versées, Jan Michiels
The universally conserved prokaryotic GTPases.
Microbiol Mol Biol Rev: 2011, 75(3);507-42, second and third pages of table of contents
[PubMed:21885683] [WorldCat.org] [DOI] (I p)

Robert A Britton
Role of GTPases in bacterial ribosome assembly.
Annu Rev Microbiol: 2009, 63;155-76
[PubMed:19575570] [WorldCat.org] [DOI] (I p)


Original publications

Additional publications: PubMed

Megha Gulati, Nikhil Jain, Baskaran Anand, Balaji Prakash, Robert A Britton
Mutational analysis of the ribosome assembly GTPase RbgA provides insight into ribosome interaction and ribosome-stimulated GTPase activation.
Nucleic Acids Res: 2013, 41(5);3217-27
[PubMed:23325847] [WorldCat.org] [DOI] (I p)

Laura Schaefer, William C Uicker, Catherine Wicker-Planquart, Anne-Emmanuelle Foucher, Jean-Michel Jault, Robert A Britton
Multiple GTPases participate in the assembly of the large ribosomal subunit in Bacillus subtilis.
J Bacteriol: 2006, 188(23);8252-8
[PubMed:16997968] [WorldCat.org] [DOI] (P p)

William C Uicker, Laura Schaefer, Robert A Britton
The essential GTPase RbgA (YlqF) is required for 50S ribosome assembly in Bacillus subtilis.
Mol Microbiol: 2006, 59(2);528-40
[PubMed:16390447] [WorldCat.org] [DOI] (P p)

Takuya Morimoto, Pek Chin Loh, Tomohiro Hirai, Kei Asai, Kazuo Kobayashi, Shigeki Moriya, Naotake Ogasawara
Six GTP-binding proteins of the Era/Obg family are essential for cell growth in Bacillus subtilis.
Microbiology (Reading): 2002, 148(Pt 11);3539-3552
[PubMed:12427945] [WorldCat.org] [DOI] (P p)