TyrZ

• Description: tyrosyl-tRNA synthetase (minor)
  
  

Gene name	tyrZ
Synonyms	ipa-9r, tyrS1, tyrT
Essential	no
Product	tyrosyl-tRNA synthetase (minor)
Function	translation
Metabolic function and regulation of this protein in SubtiPathways: tRNA charging
MW, pI	46 kDa, 6.661
Gene length, protein length	1239 bp, 413 aa
Immediate neighbours	ywaE, ywaD
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU38460

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + L-tyrosine + tRNA(Tyr) = AMP + diphosphate + L-tyrosyl-tRNA(Tyr) (according to Swiss-Prot) ATP + L-tyrosine + tRNA(Tyr) = AMP + diphosphate + L-tyrosyl-tRNA(Tyr) (according to Swiss-Prot)

• Protein family: TyrS type 2 subfamily (according to Swiss-Prot), class-I aminoacyl-tRNA synthetase 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: cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P25151

• KEGG entry: [3]

• E.C. number: 6.1.1.1 6.1.1.1]

Expression and regulation

• Operon:

• Sigma factor:

• Regulation:
  • induced by tyrosine limitation (T-box) PubMed

• Regulatory mechanism:
  • T-box: RNA switch, transcriptional antitermination PubMed

• Additional information:

Biological materials

• Mutant: QB53532 (aphA3), available in the Stülke lab

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Ana Gutiérrez-Preciado, Tina M Henkin, Frank J Grundy, Charles Yanofsky, Enrique Merino
Biochemical features and functional implications of the RNA-based T-box regulatory mechanism.
Microbiol Mol Biol Rev: 2009, 73(1);36-61
[PubMed:19258532] [WorldCat.org] [DOI] (I p)