InfB

• Description: translation initiation factor IF-2
  
  

Gene name	infB
Synonyms
Essential	yes PubMed
Product	initiation factor IF-2
Function	translation
MW, pI	78 kDa, 5.191
Gene length, protein length	2148 bp, 716 aa
Immediate neighbours	ylxQ, ylxP
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: BSU16630

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: IF-2 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: cytoplasm (according to Swiss-Prot)

Database entries

• Structure: 1D1N (fMet-tRNA-fMet binding domain, Geobacillus stearothermophilus), 1Z9B (C1-subdomain, Geobacillus stearothermophilus)

• UniProt: P17889

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: ylxS-nusA-ylxR-ylxQ-infB-ylxP-rbfA PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • RelA dependent downregulation (Class I) during stringent response PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Christine Eymann, Georg Homuth, Christian Scharf, Michael Hecker
Bacillus subtilis functional genomics: global characterization of the stringent response by proteome and transcriptome analysis.
J Bacteriol: 2002, 184(9);2500-20
[PubMed:11948165] [WorldCat.org] [DOI] (P p)

K Shazand, J Tucker, M Grunberg-Manago, J C Rabinowitz, T Leighton
Similar organization of the nusA-infB operon in Bacillus subtilis and Escherichia coli.
J Bacteriol: 1993, 175(10);2880-7
[PubMed:8491709] [WorldCat.org] [DOI] (P p)