SmpB

• Description: tmRNA-binding protein
  
  

Gene name	smpB
Synonyms	yvaI
Essential	no
Product	tmRNA-binding protein
Function	trans-translation
MW, pI	17 kDa, 10.421
Gene length, protein length	468 bp, 156 aa
Immediate neighbours	ssrA, rnr
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

translation

The gene

Basic information

• Locus tag: BSU33600

Phenotypes of a mutant

• impaired growth at high and low temperatures PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • SmpB-SsrA

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: O32230

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon:
  • secG-yvaK-rnr-smpB-ssrA PubMed
  • yvaK-rnr-smpB-ssrA PubMed
  • smpB-ssrA PubMed

• Sigma factor:

• Regulation:
  • yvaK: SigB PubMed

• Regulation:
  • yvaK: induced by stress (SigB) PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

• Chet Price, Davis, USA homepage