CotZ

• Description: spore crust protein (insoluble fraction), necessary for the assembly of the spore crust, the outermost layer of the spore coat
  
  

Gene name	cotZ
Synonyms
Essential	no
Product	spore crust protein (insoluble fraction)
Function	spore crust assembly
Interactions involving this protein in SubtInteract: CotZ
MW, pI	16 kDa, 5.102
Gene length, protein length	444 bp, 148 aa
Immediate neighbours	cotO, cotY
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

sporulation proteins

This gene is a member of the following regulons

GerE regulon, SigK regulon

The gene

Basic information

• Locus tag: BSU11740

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

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:
  • CotY-CotZ PubMed
  • CotZ is required for the proper spore crust localization of CotY PubMed

• Localization: outermost layer of the spore coat, more abundant at the mother cell-proximal pole of the forespore PubMed

Database entries

• Structure:

• UniProt: Q08312

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: cotY-cotZ PubMed

• Sigma factor: SigK PubMed

• Regulation:
  • expressed late during sporulation in the mother cell (SigK) PubMed

• Regulatory mechanism:
  • GerE: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Daisuke Imamura, Ritsuko Kuwana, Hiromu Takamatsu, Kazuhito Watabe
Proteins involved in formation of the outermost layer of Bacillus subtilis spores.
J Bacteriol: 2011, 193(16);4075-80
[PubMed:21665972] [WorldCat.org] [DOI] (I p)

Peter T McKenney, Adam Driks, Haig A Eskandarian, Paul Grabowski, Jonathan Guberman, Katherine H Wang, Zemer Gitai, Patrick Eichenberger
A distance-weighted interaction map reveals a previously uncharacterized layer of the Bacillus subtilis spore coat.
Curr Biol: 2010, 20(10);934-8
[PubMed:20451384] [WorldCat.org] [DOI] (I p)

Daisuke Imamura, Ritsuko Kuwana, Hiromu Takamatsu, Kazuhito Watabe
Localization of proteins to different layers and regions of Bacillus subtilis spore coats.
J Bacteriol: 2010, 192(2);518-24
[PubMed:19933362] [WorldCat.org] [DOI] (I p)

Daniela Krajcíková, Magda Lukácová, Denisa Müllerová, Simon M Cutting, Imrich Barák
Searching for protein-protein interactions within the Bacillus subtilis spore coat.
J Bacteriol: 2009, 191(10);3212-9
[PubMed:19304857] [WorldCat.org] [DOI] (I p)

Leif Steil, Mónica Serrano, Adriano O Henriques, Uwe Völker
Genome-wide analysis of temporally regulated and compartment-specific gene expression in sporulating cells of Bacillus subtilis.
Microbiology (Reading): 2005, 151(Pt 2);399-420
[PubMed:15699190] [WorldCat.org] [DOI] (P p)

J Zhang, H Ichikawa, R Halberg, L Kroos, A I Aronson
Regulation of the transcription of a cluster of Bacillus subtilis spore coat genes.
J Mol Biol: 1994, 240(5);405-15
[PubMed:7519271] [WorldCat.org] [DOI] (P p)