RnpA

• Description: protein component of RNase P, metal-dependent 5' end maturation of precursor tRNAs
  
  

Gene name	rnpA
Synonyms
Essential	yes PubMed
Product	protein component of RNase P (substrate specificity)
Function	cleavage of precursor sequences from the 5' ends of pre-tRNAs
Gene expression levels in SubtiExpress: rnpA
Interactions involving this protein in SubtInteract: RnpA
MW, pI	13 kDa, 10.804
Gene length, protein length	348 bp, 116 aa
Immediate neighbours	spoIIIJ, rpmH
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

Rnases, translation, essential genes

The gene

Basic information

• Locus tag: BSU41050

Phenotypes of a mutant

essential PubMed

Database entries

• BsubCyc: BSU41050

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:
  • Endonucleolytic cleavage of RNA, removing 5'-extranucleotides from tRNA precursor (according to Swiss-Prot)
  • 5' end maturation of tmRNA PubMed

• Protein family: rnpA family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:
  • RNR motif: residues 60-68, stabilizes complexes with both the RNA part of RNase P (rnpB) and with pre-tRNA (rnpB-RnpA-pre-tRNA) PubMed

• Modification:

• Cofactors:

• Effectors of protein activity:

• Interactions:
  • forms dimers PubMed
  • RnpA-RpmH
  • RnpA-RnpB PubMed
  • RnpA-CshA PubMed

• Localization:

Database entries

• BsubCyc: BSU41050

• Structure:
  • 1AF6 PubMed
  • 3OKB (complex of RnpA with the RNA RnpB and tRNA, from Thermotoga maritima) PubMed

• UniProt: P25814

• KEGG entry: [2]

• E.C. number: 3.1.26.5

Expression and regulation

• Operon:

• Expression browser: rnpA PubMed

• Sigma factor:

• Regulation:
  • expression transiently increases in the forespore PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

• Carol Fierke, University of Michigan, Ann Arbor, USA homepage
• Roland Hartmann, Marburg University, Germany homepage

References

Original Publications

Laetitia Gilet, Jeanne M DiChiara, Sabine Figaro, David H Bechhofer, Ciarán Condon
Small stable RNA maturation and turnover in Bacillus subtilis.
Mol Microbiol: 2015, 95(2);270-82
[PubMed:25402410] [WorldCat.org] [DOI] (I p)

Xin Liu, Yu Chen, Carol A Fierke
A real-time fluorescence polarization activity assay to screen for inhibitors of bacterial ribonuclease P.
Nucleic Acids Res: 2014, 42(20);e159
[PubMed:25249623] [WorldCat.org] [DOI] (I p)

Kyle G Daniels, Nam K Tonthat, David R McClure, Yu-Chu Chang, Xin Liu, Maria A Schumacher, Carol A Fierke, Scott C Schmidler, Terrence G Oas
Ligand concentration regulates the pathways of coupled protein folding and binding.
J Am Chem Soc: 2014, 136(3);822-5
[PubMed:24364358] [WorldCat.org] [DOI] (I p)

Alex Rosenberg, Lior Sinai, Yoav Smith, Sigal Ben-Yehuda
Dynamic expression of the translational machinery during Bacillus subtilis life cycle at a single cell level.
PLoS One: 2012, 7(7);e41921
[PubMed:22848659] [WorldCat.org] [DOI] (I p)

Christelle M Roux, Jonathon P DeMuth, Paul M Dunman
Characterization of components of the Staphylococcus aureus mRNA degradosome holoenzyme-like complex.
J Bacteriol: 2011, 193(19);5520-6
[PubMed:21764917] [WorldCat.org] [DOI] (I p)

Kristin S Koutmou, Jeremy J Day-Storms, Carol A Fierke
The RNR motif of B. subtilis RNase P protein interacts with both PRNA and pre-tRNA to stabilize an active conformer.
RNA: 2011, 17(7);1225-35
[PubMed:21622899] [WorldCat.org] [DOI] (I p)

Nicholas J Reiter, Amy Osterman, Alfredo Torres-Larios, Kerren K Swinger, Tao Pan, Alfonso Mondragón
Structure of a bacterial ribonuclease P holoenzyme in complex with tRNA.
Nature: 2010, 468(7325);784-9
[PubMed:21076397] [WorldCat.org] [DOI] (I p)

Yu-Chu Chang, William R Franch, Terrence G Oas
Probing the folding intermediate of Bacillus subtilis RNase P protein by nuclear magnetic resonance.
Biochemistry: 2010, 49(44);9428-37
[PubMed:20843005] [WorldCat.org] [DOI] (I p)

Yu-Chu Chang, Terrence G Oas
Osmolyte-induced folding of an intrinsically disordered protein: folding mechanism in the absence of ligand.
Biochemistry: 2010, 49(25);5086-96
[PubMed:20476778] [WorldCat.org] [DOI] (I p)

Kristin S Koutmou, Nathan H Zahler, Jeffrey C Kurz, Frank E Campbell, Michael E Harris, Carol A Fierke
Protein-precursor tRNA contact leads to sequence-specific recognition of 5' leaders by bacterial ribonuclease P.
J Mol Biol: 2010, 396(1);195-208
[PubMed:19932118] [WorldCat.org] [DOI] (I p)

John Hsieh, Carol A Fierke
Conformational change in the Bacillus subtilis RNase P holoenzyme--pre-tRNA complex enhances substrate affinity and limits cleavage rate.
RNA: 2009, 15(8);1565-77
[PubMed:19549719] [WorldCat.org] [DOI] (I p)

Markus Gösringer, Roland K Hartmann
Function of heterologous and truncated RNase P proteins in Bacillus subtilis.
Mol Microbiol: 2007, 66(3);801-13
[PubMed:17919279] [WorldCat.org] [DOI] (P p)

Barbara Wegscheid, Roland K Hartmann
In vivo and in vitro investigation of bacterial type B RNase P interaction with tRNA 3'-CCA.
Nucleic Acids Res: 2007, 35(6);2060-73
[PubMed:17355991] [WorldCat.org] [DOI] (I p)

Somashekarappa Niranjanakumari, Jeremy J Day-Storms, Mahiuddin Ahmed, John Hsieh, Nathan H Zahler, Ronald A Venters, Carol A Fierke
Probing the architecture of the B. subtilis RNase P holoenzyme active site by cross-linking and affinity cleavage.
RNA: 2007, 13(4);521-35
[PubMed:17299131] [WorldCat.org] [DOI] (P p)

Markus Gössringer, Rosel Kretschmer-Kazemi Far, Roland K Hartmann
Analysis of RNase P protein (rnpA) expression in Bacillus subtilis utilizing strains with suppressible rnpA expression.
J Bacteriol: 2006, 188(19);6816-23
[PubMed:16980484] [WorldCat.org] [DOI] (P p)

Christopher H Henkels, Terrence G Oas
Thermodynamic characterization of the osmolyte- and ligand-folded states of Bacillus subtilis ribonuclease P protein.
Biochemistry: 2005, 44(39);13014-26
[PubMed:16185070] [WorldCat.org] [DOI] (P p)

Christoph Rox, Ralph Feltens, Thomas Pfeiffer, Roland K Hartmann
Potential contact sites between the protein and RNA subunit in the Bacillus subtilis RNase P holoenzyme.
J Mol Biol: 2002, 315(4);551-60
[PubMed:11812129] [WorldCat.org] [DOI] (P p)

A Hansen, T Pfeiffer, T Zuleeg, S Limmer, J Ciesiolka, R Feltens, R K Hartmann
Exploring the minimal substrate requirements for trans-cleavage by RNase P holoenzymes from Escherichia coli and Bacillus subtilis.
Mol Microbiol: 2001, 41(1);131-43
[PubMed:11454206] [WorldCat.org] [DOI] (P p)

C H Henkels, J C Kurz, C A Fierke, T G Oas
Linked folding and anion binding of the Bacillus subtilis ribonuclease P protein.
Biochemistry: 2001, 40(9);2777-89
[PubMed:11258888] [WorldCat.org] [DOI] (P p)

J M Warnecke, R Held, S Busch, R K Hartmann
Role of metal ions in the hydrolysis reaction catalyzed by RNase P RNA from Bacillus subtilis.
J Mol Biol: 1999, 290(2);433-45
[PubMed:10390342] [WorldCat.org] [DOI] (P p)

T Stams, S Niranjanakumari, C A Fierke, D W Christianson
Ribonuclease P protein structure: evolutionary origins in the translational apparatus.
Science: 1998, 280(5364);752-5
[PubMed:9563955] [WorldCat.org] [DOI] (P p)