MotS

• Description: Na+-coupled MotP-MotS flagellar stator
  
  

Gene name	motS
Synonyms	ytxE
Essential	no
Product	motility protein (flagellar motor rotation)
Function	motility and chemotaxis
Gene expression levels in SubtiExpress: motS
Interactions involving this protein in SubtInteract: MotS
MW, pI	27 kDa, 10.054
Gene length, protein length	726 bp, 242 aa
Immediate neighbours	acuC, motP
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

motility and chemotaxis, membrane proteins

The gene

Basic information

• Locus tag: BSU29720

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: motB family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: MotP-MotS PubMed

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

Database entries

• Structure:

• UniProt: P39064

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: ccpA-motP-motS PubMed

• Expression browser: motS PubMed

• Sigma factor: SigA

• Regulation: constitutive

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Naoya Terahara, Motohiko Sano, Masahiro Ito
A Bacillus flagellar motor that can use both Na+ and K+ as a coupling ion is converted by a single mutation to use only Na+.
PLoS One: 2012, 7(9);e46248
[PubMed:23049994] [WorldCat.org] [DOI] (I p)

Naoya Terahara, Makoto Fujisawa, Benjamin Powers, Tina M Henkin, Terry A Krulwich, Masahiro Ito
An intergenic stem-loop mutation in the Bacillus subtilis ccpA-motPS operon increases motPS transcription and the MotPS contribution to motility.
J Bacteriol: 2006, 188(7);2701-5
[PubMed:16547058] [WorldCat.org] [DOI] (P p)

Masahiro Ito, Naoya Terahara, Shun Fujinami, Terry Ann Krulwich
Properties of motility in Bacillus subtilis powered by the H+-coupled MotAB flagellar stator, Na+-coupled MotPS or hybrid stators MotAS or MotPB.
J Mol Biol: 2005, 352(2);396-408
[PubMed:16095621] [WorldCat.org] [DOI] (P p)

Masahiro Ito, David B Hicks, Tina M Henkin, Arthur A Guffanti, Benjamin D Powers, Lior Zvi, Katsuyuki Uematsu, Terry A Krulwich
MotPS is the stator-force generator for motility of alkaliphilic Bacillus, and its homologue is a second functional Mot in Bacillus subtilis.
Mol Microbiol: 2004, 53(4);1035-49
[PubMed:15306009] [WorldCat.org] [DOI] (P p)