HutM

• Description: histidine permease
  
  

Gene name	hutM
Synonyms
Essential	no
Product	histidine permease
Function	histidine uptake
Gene expression levels in SubtiExpress: hutM
Metabolic function and regulation of this protein in SubtiPathways: hutM
MW, pI	51 kDa, 9.007
Gene length, protein length	1425 bp, 475 aa
Immediate neighbours	hutG, pdp
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, biosynthesis/ acquisition of amino acids, utilization of amino acids, membrane proteins

This gene is a member of the following regulons

CcpA regulon, CodY regulon, HutP regulon

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:
  • secondary amino acid transporter
  • amino acid, polyamine, organocation (APC) superfamily of transporters, TC 2.A.3

• Paralogous protein(s): AapA, GabP, RocC, RocE, YbgF, YbxG, YdgF, YtnA, YvbW

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

• Expression browser: 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

Reviews

Robert A Bender
Regulation of the histidine utilization (hut) system in bacteria.
Microbiol Mol Biol Rev: 2012, 76(3);565-84
[PubMed:22933560] [WorldCat.org] [DOI] (I p)