SpsI

• Description: glucose-1-phosphate thymidylyltransferase, spore coat polysaccharide synthesis
  
  

Gene name	spsI
Synonyms	ipa-71d
Essential	no
Product	glucose-1-phosphate thymidylyltransferase
Function	rhamnose biosynthesis, spore coat polysaccharide synthesis
Gene expression levels in SubtiExpress: spsI
MW, pI	27 kDa, 5.385
Gene length, protein length	738 bp, 246 aa
Immediate neighbours	spsJ, spsG
Sequences	Protein DNA Advanced_DNA
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

miscellaneous metabolic pathways, sporulation proteins

This gene is a member of the following regulons

SigK regulon

The gene

Basic information

• Locus tag: BSU37840

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Additional information

• A mutation was found in this gene after evolution under relaxed selection for sporulation PubMed

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:
  • alpha-D-glucose-1-phosphate + dTTP --> dTDP-glucose PubMed

• Protein family: glucose-1-phosphate thymidylyltransferase 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:

Database entries

• Structure:

• UniProt: P39629

• KEGG entry: [3]

• E.C. number: 2.7.7.24

Expression and regulation

• Operon: spsA-spsB-spsC-spsD-spsF-spsG-spsI-spsJ-spsK-spsL PubMed

• Expression browser: spsI PubMed

• Sigma factor: SigK PubMed

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

• Regulatory mechanism:

• Additional information:
  • the mRNA is very stable (half-life > 15 min) PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Germán Plata, Tobias Fuhrer, Tzu-Lin Hsiao, Uwe Sauer, Dennis Vitkup
Global probabilistic annotation of metabolic networks enables enzyme discovery.
Nat Chem Biol: 2012, 8(10);848-54
[PubMed:22960854] [WorldCat.org] [DOI] (I p)

Christopher T Brown, Laura K Fishwick, Binna M Chokshi, Marissa A Cuff, Jay M Jackson, Travis Oglesby, Alison T Rioux, Enrique Rodriguez, Gregory S Stupp, Austin H Trupp, James S Woollcombe-Clarke, Tracy N Wright, William J Zaragoza, Jennifer C Drew, Eric W Triplett, Wayne L Nicholson
Whole-genome sequencing and phenotypic analysis of Bacillus subtilis mutants following evolution under conditions of relaxed selection for sporulation.
Appl Environ Microbiol: 2011, 77(19);6867-77
[PubMed:21821766] [WorldCat.org] [DOI] (I p)

Patrick Eichenberger, Masaya Fujita, Shane T Jensen, Erin M Conlon, David Z Rudner, Stephanie T Wang, Caitlin Ferguson, Koki Haga, Tsutomu Sato, Jun S Liu, Richard Losick
The program of gene transcription for a single differentiating cell type during sporulation in Bacillus subtilis.
PLoS Biol: 2004, 2(10);e328
[PubMed:15383836] [WorldCat.org] [DOI] (I p)

G Hambraeus, C von Wachenfeldt, L Hederstedt
Genome-wide survey of mRNA half-lives in Bacillus subtilis identifies extremely stable mRNAs.
Mol Genet Genomics: 2003, 269(5);706-14
[PubMed:12884008] [WorldCat.org] [DOI] (P p)

E Presecan, I Moszer, L Boursier, H Cruz Ramos, V de la Fuente, M-F Hullo, C Lelong, S Schleich, A Sekowska, B H Song, G Villani, F Kunst, A Danchin, P Glaser
The Bacillus subtilis genome from gerBC (311 degrees) to licR (334 degrees).
Microbiology (Reading): 1997, 143 ( Pt 10);3313-3328
[PubMed:9353933] [WorldCat.org] [DOI] (P p)