Difference between revisions of "HemAT"

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Revision as of 12:55, 16 May 2013

  • Description: soluble chemotaxis receptor, heme-containing O(2) sensor protein

Gene name hemAT
Synonyms yhfV
Essential no
Product haem-based aerotactic transducer
Function movement towards oxygen
Gene expression levels in SubtiExpress: hemAT
Interactions involving this protein in SubtInteract: HemAT
MW, pI 48 kDa, 5.441
Gene length, protein length 1296 bp, 432 aa
Immediate neighbours yhfU, yhfW
Sequences Protein DNA DNA_with_flanks
Genetic context
HemAT context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
HemAT expression.png















Categories containing this gene/protein

motility and chemotaxis

This gene is a member of the following regulons

SigD regulon

The gene

Basic information

  • Locus tag: BSU10380

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s): heme
  • Effectors of protein activity:
  • Localization:
    • forms clusters at the cell poles PubMed
    • homogeneous cytoplsmic distribution in chain-forming cells during the logarithmic phase PubMed
    • polar foci in individual cells at later growth stages PubMed

Database entries

  • Structure: 1OR4 (in cyano-liganded form), 1OR6
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • Additional information:
    • in minimal medium, HemAT is present with 19,000 +/- 3,900 molecules per cell PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Additional publications: PubMed

Carmine G Monteferrante, Calum MacKichan, Elodie Marchadier, Maria-Victoria Prejean, Rut Carballido-López, Jan Maarten van Dijl
Mapping the twin-arginine protein translocation network of Bacillus subtilis.
Proteomics: 2013, 13(5);800-11
[PubMed:23180473] [WorldCat.org] [DOI] (I p)

Vincent J Cannistraro, George D Glekas, Christopher V Rao, George W Ordal
Cellular stoichiometry of the chemotaxis proteins in Bacillus subtilis.
J Bacteriol: 2011, 193(13);3220-7
[PubMed:21515776] [WorldCat.org] [DOI] (I p)

Hideaki Yoshimura, Shiro Yoshioka, Katsuaki Kobayashi, Takehiro Ohta, Takeshi Uchida, Minoru Kubo, Teizo Kitagawa, Shigetoshi Aono
Specific hydrogen-bonding networks responsible for selective O2 sensing of the oxygen sensor protein HemAT from Bacillus subtilis.
Biochemistry: 2006, 45(27);8301-7
[PubMed:16819829] [WorldCat.org] [DOI] (P p)

Masakuni Serizawa, Hiroki Yamamoto, Hirotake Yamaguchi, Yasutaro Fujita, Kazuo Kobayashi, Naotake Ogasawara, Junichi Sekiguchi
Systematic analysis of SigD-regulated genes in Bacillus subtilis by DNA microarray and Northern blotting analyses.
Gene: 2004, 329;125-36
[PubMed:15033535] [WorldCat.org] [DOI] (P p)

S Hou, T Freitas, R W Larsen, M Piatibratov, V Sivozhelezov, A Yamamoto, E A Meleshkevitch, M Zimmer, G W Ordal, M Alam
Globin-coupled sensors: a class of heme-containing sensors in Archaea and Bacteria.
Proc Natl Acad Sci U S A: 2001, 98(16);9353-8
[PubMed:11481493] [WorldCat.org] [DOI] (P p)

S Hou, R W Larsen, D Boudko, C W Riley, E Karatan, M Zimmer, G W Ordal, M Alam
Myoglobin-like aerotaxis transducers in Archaea and Bacteria.
Nature: 2000, 403(6769);540-4
[PubMed:10676961] [WorldCat.org] [DOI] (P p)