KtrA

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  • Description: high affinity potassium transporter KtrA-KtrB, peripheric membrane component (proton symport)

Gene name ktrA
Synonyms yuaA
Essential no
Product high affinity potassium transporter KtrA-KtrB,
peripheric membrane component (proton symport)
Function potassium uptake
Interactions involving this protein in SubtInteract: KtrA
Metabolic function and regulation of this protein in SubtiPathways:
Metal ion homeostasis, Stress
MW, pI 24 kDa, 5.981
Gene length, protein length 666 bp, 222 aa
Immediate neighbours yuaB, ktrB
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YuaA context.gif
This image was kindly provided by SubtiList







Categories containing this gene/protein

transporters/ other, metal ion homeostasis (K, Na, Ca, Mg), coping with hyper-osmotic stress, membrane proteins

This gene is a member of the following regulons

YdaO riboswitch

The gene

Basic information

  • Locus tag: BSU31090

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s): KtrC

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 1LSU (complex with NADH), 2HMW ( complex with ATP)
  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • 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

Your additional remarks

References