PhoA

• Description: alkaline phosphatase A
  
  

Gene name	phoA
Synonyms	phoAIV
Essential	no
Product	alkaline phosphatase A
Function	aquisition of phosphate upon phosphoate starvation
Gene expression levels in SubtiExpress: phoA
MW, pI	50 kDa, 9.926
Gene length, protein length	1383 bp, 461 aa
Immediate neighbours	spoVR, lytE
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

phosphate metabolism

This gene is a member of the following regulons

PhoP regulon

The gene

Basic information

• Locus tag: BSU09410

Database entries

• BsubCyc: BSU09410

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: A phosphate monoester + H₂O = an alcohol + phosphate (according to Swiss-Prot)

• Protein family: alkaline phosphatase family (according to Swiss-Prot)

• Paralogous protein(s): PhoB

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: extracellular (signal peptide) PubMed

Database entries

• BsubCyc: BSU09410

• Structure:

• UniProt: P19406

• KEGG entry: [3]

• E.C. number: 3.1.3.1

Expression and regulation

• Operon: phoA PubMed

• Expression browser: phoA PubMed

• Sigma factor: SigA PubMed, SigG PubMed

• Regulation:
  • expressed under conditions of phosphate limitation (PhoP) PubMed

• Regulatory mechanism:
  • PhoP: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:
  • 1A767 ( phoA::cat), PubMed, available at BGSC

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Marion Hulett, University of Illinois at Chicago, USA Homepage

References

Birgit Voigt, Haike Antelmann, Dirk Albrecht, Armin Ehrenreich, Karl-Heinz Maurer, Stefan Evers, Gerhard Gottschalk, Jan Maarten van Dijl, Thomas Schweder, Michael Hecker
Cell physiology and protein secretion of Bacillus licheniformis compared to Bacillus subtilis.
J Mol Microbiol Biotechnol: 2009, 16(1-2);53-68
[PubMed:18957862] [WorldCat.org] [DOI] (I p)

Soo-Keun Choi, Milton H Saier
Regulation of pho regulon gene expression by the carbon control protein A, CcpA, in Bacillus subtilis.
J Mol Microbiol Biotechnol: 2005, 10(1);40-50
[PubMed:16491025] [WorldCat.org] [DOI] (P p)

Nicholas E E Allenby, Nicola O'Connor, Zoltán Prágai, Alan C Ward, Anil Wipat, Colin R Harwood
Genome-wide transcriptional analysis of the phosphate starvation stimulon of Bacillus subtilis.
J Bacteriol: 2005, 187(23);8063-80
[PubMed:16291680] [WorldCat.org] [DOI] (P p)

Leif Steil, Mónica Serrano, Adriano O Henriques, Uwe Völker
Genome-wide analysis of temporally regulated and compartment-specific gene expression in sporulating cells of Bacillus subtilis.
Microbiology (Reading): 2005, 151(Pt 2);399-420
[PubMed:15699190] [WorldCat.org] [DOI] (P p)

H Antelmann, C Scharf, M Hecker
Phosphate starvation-inducible proteins of Bacillus subtilis: proteomics and transcriptional analysis.
J Bacteriol: 2000, 182(16);4478-90
[PubMed:10913081] [WorldCat.org] [DOI] (P p)

W Liu, Y Qi, F M Hulett
Sites internal to the coding regions of phoA and pstS bind PhoP and are required for full promoter activity.
Mol Microbiol: 1998, 28(1);119-30
[PubMed:9593301] [WorldCat.org] [DOI] (P p)

F M Hulett, J Lee, L Shi, G Sun, R Chesnut, E Sharkova, M F Duggan, N Kapp
Sequential action of two-component genetic switches regulates the PHO regulon in Bacillus subtilis.
J Bacteriol: 1994, 176(5);1348-58
[PubMed:8113174] [WorldCat.org] [DOI] (P p)