RplU

• Description: ribosomal protein
  
  

Gene name	rplU
Synonyms
Essential	yes PubMed
Product	ribosomal protein L21 (BL20)
Function	translation
Gene expression levels in SubtiExpress: rplU
Interactions involving this protein in SubtInteract: RplU
MW, pI	11 kDa, 10.16
Gene length, protein length	306 bp, 102 aa
Immediate neighbours	ysxB, spoIVFB
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

translation, essential genes

This gene is a member of the following regulons

stringent response

The gene

Basic information

• Locus tag: BSU27960

Phenotypes of a mutant

essential PubMed

Database entries

• BsubCyc: BSU27960

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: ribosomal protein L21P family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• BsubCyc: BSU27960

• Structure:

• UniProt: P26908

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon:

• Expression browser: rplU PubMed

• Sigma factor:

• Regulation:
  • RelA dependent downregulation (Class I) during stringent response PubMed

• Regulatory mechanism:

• Additional information:
  • The mRNA has a long 5' leader region. This may indicate RNA-based regulation PubMed
  • number of protein molecules per cell (minimal medium with glucose and ammonium): 5041 PubMed
  • number of protein molecules per cell (complex medium with amino acids, without glucose): 21010 PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Genki Akanuma, Hideaki Nanamiya, Yousuke Natori, Koichi Yano, Shota Suzuki, Shuya Omata, Morio Ishizuka, Yasuhiko Sekine, Fujio Kawamura
Inactivation of ribosomal protein genes in Bacillus subtilis reveals importance of each ribosomal protein for cell proliferation and cell differentiation.
J Bacteriol: 2012, 194(22);6282-91
[PubMed:23002217] [WorldCat.org] [DOI] (I p)

Irnov Irnov, Cynthia M Sharma, Jörg Vogel, Wade C Winkler
Identification of regulatory RNAs in Bacillus subtilis.
Nucleic Acids Res: 2010, 38(19);6637-51
[PubMed:20525796] [WorldCat.org] [DOI] (I p)

Matthew A Lauber, William E Running, James P Reilly
B. subtilis ribosomal proteins: structural homology and post-translational modifications.
J Proteome Res: 2009, 8(9);4193-206
[PubMed:19653700] [WorldCat.org] [DOI] (P p)

Christine Eymann, Georg Homuth, Christian Scharf, Michael Hecker
Bacillus subtilis functional genomics: global characterization of the stringent response by proteome and transcriptome analysis.
J Bacteriol: 2002, 184(9);2500-20
[PubMed:11948165] [WorldCat.org] [DOI] (P p)