RhgR

• Description: transcriptional activator (AraC family) of the rhamnogalacturonan operon
  
  

Gene name	rhgR
Synonyms	yesS
Essential	no
Product	transcriptional activator of the rhamnogalacturonan operon
Function	regulation of pectin utilization
Gene expression levels in SubtiExpress: rhgR
Interactions involving this protein in SubtInteract: RhgR
MW, pI	87 kDa, 7.77
Gene length, protein length	2283 bp, 761 aa
Immediate neighbours	rhiN, yesT
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

utilization of specific carbon sources, transcription factors and their control, membrane proteins

This gene is a member of the following regulons

RhgR regulon

The RhgR regulon:

• rhgR-yesT-yesU-yesV-yesW-yesX-yesY-yesZ

The gene

Basic information

• Locus tag: BSU07010

Database entries

• BsubCyc: BSU07010

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains: HPr-binding domain: aa 406 - 510 PubMed

• Modification:

• Cofactors:

• Effectors of protein activity: interaction with HPr(His)-P (occurs in the absence of preferred carbon sources) stimulates YesS activity PubMed

• Interactions:
  • RhgR is a member of a suspected group of hubs proteins that were suggested to be involved in a large number of interactions PubMed
  • HPr(His)-P-RhgR PubMed

• Localization: cell membrane (according to Swiss-Prot)

Database entries

• BsubCyc: BSU07010

• Structure:

• UniProt: O31522

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: rhgR-yesT-yesU-yesV-yesW-yesX-yesY-yesZ PubMed

• Expression browser: rhgR PubMed

• Sigma factor:

• Regulation: induced by pectin (RhgR) PubMed

• Regulatory mechanism: RhgR: transcriptional activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Irina A Rodionova, Xiaoqing Li, Vera Thiel, Sergey Stolyar, Krista Stanton, James K Fredrickson, Donald A Bryant, Andrei L Osterman, Aaron A Best, Dmitry A Rodionov
Comparative genomics and functional analysis of rhamnose catabolic pathways and regulons in bacteria.
Front Microbiol: 2013, 4;407
[PubMed:24391637] [WorldCat.org] [DOI] (P e)

Elodie Marchadier, Rut Carballido-López, Sophie Brinster, Céline Fabret, Peggy Mervelet, Philippe Bessières, Marie-Françoise Noirot-Gros, Vincent Fromion, Philippe Noirot
An expanded protein-protein interaction network in Bacillus subtilis reveals a group of hubs: Exploration by an integrative approach.
Proteomics: 2011, 11(15);2981-91
[PubMed:21630458] [WorldCat.org] [DOI] (I p)

Sandrine Poncet, Maryline Soret, Peggy Mervelet, Josef Deutscher, Philippe Noirot
Transcriptional activator YesS is stimulated by histidine-phosphorylated HPr of the Bacillus subtilis phosphotransferase system.
J Biol Chem: 2009, 284(41);28188-28197
[PubMed:19651770] [WorldCat.org] [DOI] (I p)

Akihito Ochiai, Takafumi Itoh, Akiko Kawamata, Wataru Hashimoto, Kousaku Murata
Plant cell wall degradation by saprophytic Bacillus subtilis strains: gene clusters responsible for rhamnogalacturonan depolymerization.
Appl Environ Microbiol: 2007, 73(12);3803-13
[PubMed:17449691] [WorldCat.org] [DOI] (P p)