HutM

• Description: histidine permease
  
  

Gene name	hutM
Synonyms
Essential	no
Product	histidine permease
Function	histidine uptake
Metabolic function and regulation of this protein in SubtiPathways: His
MW, pI	51 kDa, 9.007
Gene length, protein length	1425 bp, 475 aa
Immediate neighbours	hutG, pdp
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: BSU39390

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: amino acid-polyamine-organocation (APC) superfamily (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: P42087

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: hutP-hutH-hutU-hutI-hutG-hutM PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by glucose (CcpA) PubMed
  • induced by histidine (HutP) PubMed
  • repressed during growth in the presence of branched chain amino acids (CodY) PubMed

• Regulatory mechanism:
  • CcpA: transcription repression PubMed
  • CodY: transcription repression PubMed
  • HutP: transcriptional antitermination at a protein-dependent RNA switch located between hutP and hutH PubMed
• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Ken-Ichi Yoshida, Izumi Ishio, Eishi Nagakawa, Yoshiyuki Yamamoto, Mami Yamamoto, Yasutaro Fujita
Systematic study of gene expression and transcription organization in the gntZ-ywaA region of the Bacillus subtilis genome.
Microbiology (Reading): 2000, 146 ( Pt 3);573-579
[PubMed:10746760] [WorldCat.org] [DOI] (P p)

S H Fisher, K Rohrer, A E Ferson
Role of CodY in regulation of the Bacillus subtilis hut operon.
J Bacteriol: 1996, 178(13);3779-84
[PubMed:8682780] [WorldCat.org] [DOI] (P p)

L V Wray, S H Fisher
Analysis of Bacillus subtilis hut operon expression indicates that histidine-dependent induction is mediated primarily by transcriptional antitermination and that amino acid repression is mediated by two mechanisms: regulation of transcription initiation and inhibition of histidine transport.
J Bacteriol: 1994, 176(17);5466-73
[PubMed:8071225] [WorldCat.org] [DOI] (P p)