TagA

• Description: UDP-N-acetyl-D-mannosamine transferase
  
  

Gene name	tagA
Synonyms
Essential	yes PubMed, no PubMed
Product	UDP-N-acetyl-D-mannosamine transferase
Function	biosynthesis of teichoic acid
MW, pI	29 kDa, 10.133
Gene length, protein length	768 bp, 256 aa
Immediate neighbours	tagD, tagB
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

cell wall synthesis, biosynthesis of cell wall components

This gene is a member of the following regulons

PhoP regulon, WalR regulon

The gene

Basic information

• Locus tag: BSU35750

Phenotypes of a mutant

• essential PubMed, reduced growth rate, loss of rod-like morphology PubMed
• inactivation of tagA strongly restores beta-lactam resistance in a sigM mutant PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: UDP-N-acetyl-D-mannosamine + N-acetyl-D-glucosaminyldiphosphoundecaprenol = UDP + N-acetyl-beta-D-mannosaminyl-1,4-N-acetyl-D-glucosaminyldiphosphoundecaprenol (according to Swiss-Prot)

• Protein family: glycosyltransferase 26 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:
  • secreted (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P27620

• KEGG entry: [3]

• E.C. number: 2.4.1.187

Expression and regulation

• Operon: tagA-tagB PubMed

• Expression browser: tagA PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed when phosphate is available (PhoP) PubMed

• Regulatory mechanism:
  • PhoP: transcription repression PubMed
  • WalR: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Additional publications: PubMed

Michael A D'Elia, James A Henderson, Terry J Beveridge, David E Heinrichs, Eric D Brown
The N-acetylmannosamine transferase catalyzes the first committed step of teichoic acid assembly in Bacillus subtilis and Staphylococcus aureus.
J Bacteriol: 2009, 191(12);4030-4
[PubMed:19376878] [WorldCat.org] [DOI] (I p)

Alex Formstone, Rut Carballido-López, Philippe Noirot, Jeffery Errington, Dirk-Jan Scheffers
Localization and interactions of teichoic acid synthetic enzymes in Bacillus subtilis.
J Bacteriol: 2008, 190(5);1812-21
[PubMed:18156271] [WorldCat.org] [DOI] (I p)

Alistair Howell, Sarah Dubrac, Kasper Krogh Andersen, David Noone, Juliette Fert, Tarek Msadek, Kevin Devine
Genes controlled by the essential YycG/YycF two-component system of Bacillus subtilis revealed through a novel hybrid regulator approach.
Mol Microbiol: 2003, 49(6);1639-55
[PubMed:12950927] [WorldCat.org] [DOI] (P p)

Y Qi, F M Hulett
Role of Pho-P in transcriptional regulation of genes involved in cell wall anionic polymer biosynthesis in Bacillus subtilis.
J Bacteriol: 1998, 180(15);4007-10
[PubMed:9683503] [WorldCat.org] [DOI] (P p)

W Liu, S Eder, F M Hulett
Analysis of Bacillus subtilis tagAB and tagDEF expression during phosphate starvation identifies a repressor role for PhoP-P.
J Bacteriol: 1998, 180(3);753-8
[PubMed:9457886] [WorldCat.org] [DOI] (P p)

C Mauël, A Bauduret, C Chervet, S Beggah, D Karamata
In Bacillus subtilis 168, teichoic acid of the cross-wall may be different from that of the cylinder: a hypothesis based on transcription analysis of tag genes.
Microbiology (Reading): 1995, 141 ( Pt 10);2379-89
[PubMed:7581998] [WorldCat.org] [DOI] (P p)

C Mauël, M Young, A Monsutti-Grecescu, S A Marriott, D Karamata
Analysis of Bacillus subtilis tag gene expression using transcriptional fusions.
Microbiology (Reading): 1994, 140 ( Pt 9);2279-88
[PubMed:7952180] [WorldCat.org] [DOI] (P p)