OpuAA

• Description: glycine betaine ABC transporter (ATP-binding protein)
  
  

Gene name	opuAA
Synonyms
Essential	no
Product	glycine betaine ABC transporter (ATP-binding protein)
Function	compatible solute transport
Gene expression levels in SubtiExpress: opuAA
Interactions involving this protein in SubtInteract: OpuAA
Metabolic function and regulation of this protein in SubtiPathways: Stress
MW, pI	46 kDa, 5.107
Gene length, protein length	1254 bp, 418 aa
Immediate neighbours	yceK, opuAB
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

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

The gene

Basic information

• Locus tag: BSU02980

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + H₂O + quaternary amine(Out) = ADP + phosphate + quaternary amine(In) (according to Swiss-Prot)

• Protein family: ABC transporter domain (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • OpuAA-OpuAB-OpuAC PubMed

• Localization: associated to the membrane (via OpuAB) PubMed

Database entries

• Structure:

• UniProt: P46920

• KEGG entry: [2]

• E.C. number: 3.6.3.32

Expression and regulation

• Operon:

• Expression browser: opuAA PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

Erhard Bremer, University of Marburg, Germany homepage

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)

Carsten Horn, Stefan Jenewein, Britta Tschapek, Werner Bouschen, Sabine Metzger, Erhard Bremer, Lutz Schmitt
Monitoring conformational changes during the catalytic cycle of OpuAA, the ATPase subunit of the ABC transporter OpuA from Bacillus subtilis.
Biochem J: 2008, 412(2);233-44
[PubMed:18321243] [WorldCat.org] [DOI] (I p)

Carsten Horn, Stefan Jenewein, Linda Sohn-Bösser, Erhard Bremer, Lutz Schmitt
Biochemical and structural analysis of the Bacillus subtilis ABC transporter OpuA and its isolated subunits.
J Mol Microbiol Biotechnol: 2005, 10(2-4);76-91
[PubMed:16645306] [WorldCat.org] [DOI] (P p)

Carsten Horn, Erhard Bremer, Lutz Schmitt
Functional overexpression and in vitro re-association of OpuA, an osmotically regulated ABC-transport complex from Bacillus subtilis.
FEBS Lett: 2005, 579(25);5765-8
[PubMed:16225868] [WorldCat.org] [DOI] (P p)

Carsten Horn, Erhard Bremer, Lutz Schmitt
Nucleotide dependent monomer/dimer equilibrium of OpuAA, the nucleotide-binding protein of the osmotically regulated ABC transporter OpuA from Bacillus subtilis.
J Mol Biol: 2003, 334(3);403-19
[PubMed:14623183] [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)

B Kempf, E Bremer
OpuA, an osmotically regulated binding protein-dependent transport system for the osmoprotectant glycine betaine in Bacillus subtilis.
J Biol Chem: 1995, 270(28);16701-13
[PubMed:7622480] [WorldCat.org] [DOI] (P p)