FrlN

• Description: aminosugar ABC transporter (permease)
  
  

Gene name	frlN
Synonyms	yurN
Essential	no
Product	aminosugar ABC transporter (permease)
Function	uptake of sugar amines
Gene expression levels in SubtiExpress: frlN
Interactions involving this protein in SubtInteract: FrlN
Metabolic function and regulation of this protein in SubtiPathways: Alternative nitrogen sources
MW, pI	32 kDa, 5.29
Gene length, protein length	876 bp, 292 aa
Immediate neighbours	frlM, frlO
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

ABC transporters, utilization of specific carbon sources, utilization of nitrogen sources other than amino acids, membrane proteins

This gene is a member of the following regulons

CodY regulon, FrlR regulon

The gene

Basic information

• Locus tag: BSU32590

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: MalFG subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: YurJ-(FrlM-FrlN)-FrlO PubMed

• Localization: cell membrane PubMed

Database entries

• Structure:

• UniProt: O32155

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon:
  • frlB-frlO-frlN-frlM-frlD PubMed

• Expression browser: frlN PubMed

• Sigma factor:

• Regulation:
  • frlB: repressed during growth in the presence of branched chain amino acids (CodY) PubMed
  • frlB: induced in the presence of fructosamine (FrlR) PubMed

• Regulatory mechanism:
  • CodY: transcription repression PubMed1, PubMed2
  • FrlR: transcription repression PubMed

• Additional information:
  • the mRNA is substantially stabilized upon depletion of RNase Y PubMed
  • the frlB-frlO-frlN-frlM-frlD operon is not expressed in a cshA mutant PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: