Dps

• Description: iron storage protein, general stress protein, resistance against ethanol and paraquat stresses stress and survival at low temperatures
  
  

Gene name	dps
Synonyms	ytkB
Essential	no
Product	mini-ferritin
Function	iron storage, survival of of stress conditions
Gene expression levels in SubtiExpress: dps
Metabolic function and regulation of this protein in SubtiPathways: Dps
MW, pI	16 kDa, 4.444
Gene length, protein length	435 bp, 145 aa
Immediate neighbours	ytkC, ytzI
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

acquisition of iron, iron metabolism, general stress proteins (controlled by SigB), resistance against oxidative and electrophile stress

This gene is a member of the following regulons

SigB regulon

The gene

Basic information

• Locus tag: BSU30650

Database entries

• BsubCyc: BSU30650

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

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

• Paralogous protein(s): MrgA

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• BsubCyc: BSU30650

• Structure:

• UniProt: P80879

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: dps PubMed

• Expression browser: dps PubMed

• Sigma factor: SigB PubMed

• Regulation:
  • induced by stress (SigB) PubMed

• Regulatory mechanism:

• Additional information:
  • number of protein molecules per cell (minimal medium with glucose and ammonium): 1254 PubMed
  • number of protein molecules per cell (complex medium with amino acids, without glucose): 1655 PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Emilia Chiancone, Pierpaolo Ceci, Andrea Ilari, Frederica Ribacchi, Simonetta Stefanini
Iron and proteins for iron storage and detoxification.
Biometals: 2004, 17(3);197-202
[PubMed:15222465] [WorldCat.org] [DOI] (P p)