MntR

• Description: transcriptional regulator, (repression of mntH in high Mn(II) conditions, activation of mntA-mntB-mntC-mntD under low Mn(II) conditions)

Gene name	mntR
Synonyms	yqhN
Essential	no
Product	transcriptional regulator (DtxR family)
Function	regulation of manganese transport
MW, pI	16 kDa, 5.631
Gene length, protein length	426 bp, 142 aa
Immediate neighbours	yqhO, yqhM
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Coordinates:

Database entries

• 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:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

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

Database entries

• Structure: 2F5D (complex with manganese), 2HYG (apo-form)

• Swiss prot entry: P54512

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon:

• 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

John Helmann, Cornell University, USA Homepage

Richard Brennan, Houston, Texas, USA Homepage

References

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