HisH

• Description: tyrosine transaminase
  
  

Gene name	hisH
Synonyms
Essential	no
Product	tyrosine transaminase
Function	biosynthesis of histidine
Metabolic function and regulation of this protein in SubtiPathways: His
MW, pI	23 kDa, 5.716
Gene length, protein length	636 bp, 212 aa
Immediate neighbours	hisA, hisB
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: BSU34890

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

Categories containing this gene/protein

biosynthesis/ acquisition of amino acids

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 5-[(5-phospho-1-deoxyribulos-1-ylamino)methylideneamino]-1-(5-phosphoribosyl)imidazole-4-carboxamide + L-glutamine = imidazole-glycerol phosphate + 5-aminoimidazol-4-carboxamide ribonucleotide + L-glutamate + H₂O (according to Swiss-Prot)

• Protein family:

• 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: O34565

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: hisZ-hisG-hisD-hisB-hisH-hisA-hisF-hisI PubMed

• Sigma factor:

• Regulation: repressed by casamino acids PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Ulrike Mäder, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker
Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.
J Bacteriol: 2002, 184(15);4288-95
[PubMed:12107147] [WorldCat.org] [DOI] (P p)

D J Henner, L Band, G Flaggs, E Chen
The organization and nucleotide sequence of the Bacillus subtilis hisH, tyrA and aroE genes.
Gene: 1986, 49(1);147-52
[PubMed:3106153] [WorldCat.org] [DOI] (P p)