TetB

• Description: multifunctional tetracycline/Na+ resistance protein
  
  

Gene name	tetB
Synonyms	tetA, tetA(L)
Essential	no
Product	multifunctional tetracycline/Na+ resistance protein
Function	resistance to tetracyclin
Gene expression levels in SubtiExpress: tetB
MW, pI	49 kDa, 9.537
Gene length, protein length	1374 bp, 458 aa
Immediate neighbours	yyaP, tetL
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

transporters/ other, resistance against toxins/ antibiotics, membrane proteins

The gene

Basic information

• Locus tag: BSU40770

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: TCR/tet 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:
  • cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P23054

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: tetL-tetB (according to DBTBS)

• Expression browser: tetB PubMed

• Sigma factor: SigA PubMed

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

David Bechhofer, Mount Sinai School, New York, USA Homepage

References

W Wang, A A Guffanti, Y Wei, M Ito, T A Krulwich
Two types of Bacillus subtilis tetA(L) deletion strains reveal the physiological importance of TetA(L) in K(+) acquisition as well as in Na(+), alkali, and tetracycline resistance.
J Bacteriol: 2000, 182(8);2088-95
[PubMed:10735849] [WorldCat.org] [DOI] (P p)

S J Stasinopoulos, G A Farr, D H Bechhofer
Bacillus subtilis tetA(L) gene expression: evidence for regulation by translational reinitiation.
Mol Microbiol: 1998, 30(5);923-32
[PubMed:9988470] [WorldCat.org] [DOI] (P p)

J Cheng, D B Hicks, T A Krulwich
The purified Bacillus subtilis tetracycline efflux protein TetA(L) reconstitutes both tetracycline-cobalt/H+ and Na+(K+)/H+ exchange.
Proc Natl Acad Sci U S A: 1996, 93(25);14446-51
[PubMed:8962071] [WorldCat.org] [DOI] (P p)

J Cheng, A A Guffanti, W Wang, T A Krulwich, D H Bechhofer
Chromosomal tetA(L) gene of Bacillus subtilis: regulation of expression and physiology of a tetA(L) deletion strain.
J Bacteriol: 1996, 178(10);2853-60
[PubMed:8631673] [WorldCat.org] [DOI] (P p)

J Cheng, K Baldwin, A A Guffanti, T A Krulwich
Na+/H+ antiport activity conferred by Bacillus subtilis tetA(L), a 5' truncation product of tetA(L), and related plasmid genes upon Escherichia coli.
Antimicrob Agents Chemother: 1996, 40(4);852-7
[PubMed:8849239] [WorldCat.org] [DOI] (P p)

R Sakaguchi, H Amano, K Shishido
Nucleotide sequence homology of the tetracycline-resistance determinant naturally maintained in Bacillus subtilis Marburg 168 chromosome and the tetracycline-resistance gene of B. subtilis plasmid pNS1981.
Biochim Biophys Acta: 1988, 950(3);441-4
[PubMed:2844262] [WorldCat.org] [DOI] (P p)