OpuBB

• Description: choline ABC transporter (membrane protein)
  
  

Gene name	opuBB
Synonyms	proW
Essential	no
Product	choline ABC transporter (membrane protein)
Function	compatible solute transport
Metabolic function and regulation of this protein in SubtiPathways: Stress
MW, pI	23 kDa, 9.743
Gene length, protein length	651 bp, 217 aa
Immediate neighbours	opuBC, opuBA
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

ABC transporters, coping with hyper-osmotic stress, membrane proteins

The gene

Basic information

• Locus tag: BSU33720

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

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

• Paralogous protein(s): OpuCB

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: OpuBA-(OpuBB-OpuBD)-OpuBC PubMed

• Localization: cell membrane PubMed

Database entries

• Structure:

• UniProt: Q45461

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: opuBA-opuBB-opuBC-opuBD PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • induced by salt stress PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Tamara Hoffmann, Erhard Bremer
Protection of Bacillus subtilis against cold stress via compatible-solute acquisition.
J Bacteriol: 2011, 193(7);1552-62
[PubMed:21296969] [WorldCat.org] [DOI] (I p)

R M Kappes, B Kempf, S Kneip, J Boch, J Gade, J Meier-Wagner, E Bremer
Two evolutionarily closely related ABC transporters mediate the uptake of choline for synthesis of the osmoprotectant glycine betaine in Bacillus subtilis.
Mol Microbiol: 1999, 32(1);203-16
[PubMed:10216873] [WorldCat.org] [DOI] (P p)

Y Quentin, G Fichant, F Denizot
Inventory, assembly and analysis of Bacillus subtilis ABC transport systems.
J Mol Biol: 1999, 287(3);467-84
[PubMed:10092453] [WorldCat.org] [DOI] (P p)

G Nau-Wagner, J Boch, Le Good JA, E Bremer
High-affinity transport of choline-O-sulfate and its use as a compatible solute in Bacillus subtilis.
Appl Environ Microbiol: 1999, 65(2);560-8
[PubMed:9925583] [WorldCat.org] [DOI] (P p)