MntB

• Description: manganese ABC transporter (ATP-binding protein)
  
  

Gene name	mntB
Synonyms	ytgB
Essential	no
Product	manganese ABC transporter (ATP-binding protein)))
Function	manganese uptake
Metabolic function and regulation of this protein in SubtiPathways: Stress
MW, pI	27 kDa, 9.411
Gene length, protein length	750 bp, 250 aa
Immediate neighbours	mntC, mntA
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU30760

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

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

Database entries

• Structure:

• Swiss prot entry: O34338

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: mntA-mntB-mntC-mntD PubMed

• Sigma factor:

• Regulation: repressed by Mn(2+) (MntR) PubMed
  • activated at low Mn(II) concentrations (MntR) PubMed

• Regulatory mechanism: MntR: transcription repression PubMed
  • MntR: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

John Helmann, Cornell University, USA Homepage

References

Emmanuel Guedon, Charles M Moore, Qiang Que, Tao Wang, Rick W Ye, John D Helmann
The global transcriptional response of Bacillus subtilis to manganese involves the MntR, Fur, TnrA and sigmaB regulons.
Mol Microbiol: 2003, 49(6);1477-91
[PubMed:12950915] [WorldCat.org] [DOI] (P p)

Q Que, J D Helmann
Manganese homeostasis in Bacillus subtilis is regulated by MntR, a bifunctional regulator related to the diphtheria toxin repressor family of proteins.
Mol Microbiol: 2000, 35(6);1454-68
[PubMed:10760146] [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)