SpoIIAB

• Description: anti-SigF/ protein serine kinase
  
  

Gene name	spoIIAB
Synonyms
Essential	no
Product	anti-SigF/ protein serine kinase
Function	control of SigF activity septation; phosphorylation and inactivation of SpoIIAA
Metabolic function and regulation of this protein in SubtiPathways: Stress
MW, pI	16 kDa, 4.383
Gene length, protein length	438 bp, 146 aa
Immediate neighbours	sigF, spoIIAA
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: BSU23460

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + a protein = ADP + a phosphoprotein (according to Swiss-Prot)

• Protein family: anti-sigma-factor family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: SpoIIE-SpoIIAB, RsbV-SpoIIAB, SpoIIAB-SigG, SpoIIAB-SigF, SpoIIAB-SpoIIAA

• Localization:

Database entries

• Structure: 1L0O (complex with SigF, Geobacillus stearothermophilus), 1TIL (complex with SpoIIAA, Geobacillus stearothermophilus)

• UniProt: P10728

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: dacF-spoIIAA-spoIIAB-sigF

spoIIAA-spoIIAB-sigF

• Sigma factor: dacF: SigF, SigG

spoIIA: SigH

• Regulation: dacF: expressed during sporulation, spoIIAA: expressed early during sporulation
  • expressed under conditions that trigger sporulation (Spo0A) PubMed

• Regulatory mechanism: spoIIAA: activated by Spo0A and repressed by SinR
  • Spo0A: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

• Charles Moran, Emory University, NC, USA homepage

References

Oleg A Igoshin, Chester W Price, Michael A Savageau
Signalling network with a bistable hysteretic switch controls developmental activation of the sigma transcription factor in Bacillus subtilis.
Mol Microbiol: 2006, 61(1);165-84
[PubMed:16824103] [WorldCat.org] [DOI] (P p)

Masaya Fujita, José Eduardo González-Pastor, Richard Losick
High- and low-threshold genes in the Spo0A regulon of Bacillus subtilis.
J Bacteriol: 2005, 187(4);1357-68
[PubMed:15687200] [WorldCat.org] [DOI] (P p)

Joanna Clarkson, Iain D Campbell, Michael D Yudkin
Efficient regulation of sigmaF, the first sporulation-specific sigma factor in B.subtilis.
J Mol Biol: 2004, 342(4);1187-95
[PubMed:15351644] [WorldCat.org] [DOI] (P p)

Karen Carniol, Tae-Jong Kim, Chester W Price, Richard Losick
Insulation of the sigmaF regulatory system in Bacillus subtilis.
J Bacteriol: 2004, 186(13);4390-4
[PubMed:15205443] [WorldCat.org] [DOI] (P p)

Joanna Clarkson, Iain D Campbell, Michael D Yudkin
Physical evidence for the induced release of the Bacillus subtilis transcription factor, sigma(F), from its inhibitory complex.
J Mol Biol: 2004, 340(2);203-9
[PubMed:15201047] [WorldCat.org] [DOI] (P p)

Mónica Serrano, Alexandre Neves, Cláudio M Soares, Charles P Moran, Adriano O Henriques
Role of the anti-sigma factor SpoIIAB in regulation of sigmaG during Bacillus subtilis sporulation.
J Bacteriol: 2004, 186(12);4000-13
[PubMed:15175314] [WorldCat.org] [DOI] (P p)

Joanna Clarkson, Jwu-Ching Shu, David A Harris, Iain D Campbell, Michael D Yudkin
Fluorescence and kinetic analysis of the SpoIIAB phosphorylation reaction, a key regulator of sporulation in Bacillus subtilis.
Biochemistry: 2004, 43(11);3120-8
[PubMed:15023063] [WorldCat.org] [DOI] (P p)

Karen Carniol, Patrick Eichenberger, Richard Losick
A threshold mechanism governing activation of the developmental regulatory protein sigma F in Bacillus subtilis.
J Biol Chem: 2004, 279(15);14860-70
[PubMed:14744853] [WorldCat.org] [DOI] (P p)

Qi Pan, Richard Losick
Unique degradation signal for ClpCP in Bacillus subtilis.
J Bacteriol: 2003, 185(17);5275-8
[PubMed:12923101] [WorldCat.org] [DOI] (P p)

Louise Evans, Joanna Clarkson, Michael D Yudkin, Jeff Errington, Andrea Feucht
Analysis of the interaction between the transcription factor sigmaG and the anti-sigma factor SpoIIAB of Bacillus subtilis.
J Bacteriol: 2003, 185(15);4615-9
[PubMed:12867473] [WorldCat.org] [DOI] (P p)

Margaret S Ho, Karen Carniol, Richard Losick
Evidence in support of a docking model for the release of the transcription factor sigma F from the antisigma factor SpoIIAB in Bacillus subtilis.
J Biol Chem: 2003, 278(23);20898-905
[PubMed:12676949] [WorldCat.org] [DOI] (P p)

J Clarkson, I D Campbell, M D Yudkin
NMR studies of the interactions of SpoIIAA with its partner proteins that regulate sporulation in Bacillus subtilis.
J Mol Biol: 2001, 314(3);359-64
[PubMed:11846550] [WorldCat.org] [DOI] (P p)

J Dworkin, R Losick
Differential gene expression governed by chromosomal spatial asymmetry.
Cell: 2001, 107(3);339-46
[PubMed:11701124] [WorldCat.org] [DOI] (P p)

Q Pan, D A Garsin, R Losick
Self-reinforcing activation of a cell-specific transcription factor by proteolysis of an anti-sigma factor in B. subtilis.
Mol Cell: 2001, 8(4);873-83
[PubMed:11684022] [WorldCat.org] [DOI] (P p)

E A Campbell, S A Darst
The anti-sigma factor SpoIIAB forms a 2:1 complex with sigma(F), contacting multiple conserved regions of the sigma factor.
J Mol Biol: 2000, 300(1);17-28
[PubMed:10864495] [WorldCat.org] [DOI] (P p)

A Feucht, R A Daniel, J Errington
Characterization of a morphological checkpoint coupling cell-specific transcription to septation in Bacillus subtilis.
Mol Microbiol: 1999, 33(5);1015-26
[PubMed:10476035] [WorldCat.org] [DOI] (P p)

D A Garsin, L Duncan, D M Paskowitz, R Losick
The kinase activity of the antisigma factor SpoIIAB is required for activation as well as inhibition of transcription factor sigmaF during sporulation in Bacillus subtilis.
J Mol Biol: 1998, 284(3);569-78
[PubMed:9826499] [WorldCat.org] [DOI] (P p)

D A Garsin, D M Paskowitz, L Duncan, R Losick
Evidence for common sites of contact between the antisigma factor SpoIIAB and its partners SpoIIAA and the developmental transcription factor sigmaF in Bacillus subtilis.
J Mol Biol: 1998, 284(3);557-68
[PubMed:9826498] [WorldCat.org] [DOI] (P p)

M Lord, T Magnin, M D Yudkin
Protein conformational change and nucleotide binding involved in regulation of sigmaF in Bacillus subtilis.
J Bacteriol: 1996, 178(23);6730-5
[PubMed:8955289] [WorldCat.org] [DOI] (P p)

P J Lewis, T Magnin, J Errington
Compartmentalized distribution of the proteins controlling the prespore-specific transcription factor sigmaF of Bacillus subtilis.
Genes Cells: 1996, 1(10);881-94
[PubMed:9077448] [WorldCat.org] [DOI] (P p)

A L Decatur, R Losick
Three sites of contact between the Bacillus subtilis transcription factor sigmaF and its antisigma factor SpoIIAB.
Genes Dev: 1996, 10(18);2348-58
[PubMed:8824593] [WorldCat.org] [DOI] (P p)

E M Kellner, A Decatur, C P Moran
Two-stage regulation of an anti-sigma factor determines developmental fate during bacterial endospore formation.
Mol Microbiol: 1996, 21(5);913-24
[PubMed:8885263] [WorldCat.org] [DOI] (P p)

S Alper, A Dufour, D A Garsin, L Duncan, R Losick
Role of adenosine nucleotides in the regulation of a stress-response transcription factor in Bacillus subtilis.
J Mol Biol: 1996, 260(2);165-77
[PubMed:8764398] [WorldCat.org] [DOI] (P p)

L Duncan, S Alper, R Losick
SpoIIAA governs the release of the cell-type specific transcription factor sigma F from its anti-sigma factor SpoIIAB.
J Mol Biol: 1996, 260(2);147-64
[PubMed:8764397] [WorldCat.org] [DOI] (P p)

A Feucht, T Magnin, M D Yudkin, J Errington
Bifunctional protein required for asymmetric cell division and cell-specific transcription in Bacillus subtilis.
Genes Dev: 1996, 10(7);794-803
[PubMed:8846916] [WorldCat.org] [DOI] (P p)

T Magnin, M Lord, J Errington, M D Yudkin
Establishing differential gene expression in sporulating Bacillus subtilis: phosphorylation of SpoIIAA (anti-anti-sigmaF) alters its conformation and prevents formation of a SpoIIAA/SpoIIAB/ADP complex.
Mol Microbiol: 1996, 19(4);901-7
[PubMed:8820658] [WorldCat.org] [DOI] (P p)

L Duncan, S Alper, F Arigoni, R Losick, P Stragier
Activation of cell-specific transcription by a serine phosphatase at the site of asymmetric division.
Science: 1995, 270(5236);641-4
[PubMed:7570023] [WorldCat.org] [DOI] (P p)

S Alper, L Duncan, R Losick
An adenosine nucleotide switch controlling the activity of a cell type-specific transcription factor in B. subtilis.
Cell: 1994, 77(2);195-205
[PubMed:8168129] [WorldCat.org] [DOI] (P p)

D Foulger, J Errington
Effects of new mutations in the spoIIAB gene of Bacillus subtilis on the regulation of sigma F and sigma G activities.
J Gen Microbiol: 1993, 139(12);3197-203
[PubMed:8126438] [WorldCat.org] [DOI] (P p)

K T Min, C M Hilditch, B Diederich, J Errington, M D Yudkin
Sigma F, the first compartment-specific transcription factor of B. subtilis, is regulated by an anti-sigma factor that is also a protein kinase.
Cell: 1993, 74(4);735-42
[PubMed:8358793] [WorldCat.org] [DOI] (P p)

P A Kirchman, H DeGrazia, E M Kellner, C P Moran
Forespore-specific disappearance of the sigma-factor antagonist spoIIAB: implications for its role in determination of cell fate in Bacillus subtilis.
Mol Microbiol: 1993, 8(4);663-71
[PubMed:8332059] [WorldCat.org] [DOI] (P p)

L Duncan, R Losick
SpoIIAB is an anti-sigma factor that binds to and inhibits transcription by regulatory protein sigma F from Bacillus subtilis.
Proc Natl Acad Sci U S A: 1993, 90(6);2325-9
[PubMed:8460142] [WorldCat.org] [DOI] (P p)

K York, T J Kenney, S Satola, C P Moran, H Poth, P Youngman
Spo0A controls the sigma A-dependent activation of Bacillus subtilis sporulation-specific transcription unit spoIIE.
J Bacteriol: 1992, 174(8);2648-58
[PubMed:1556084] [WorldCat.org] [DOI] (P p)

R Coppolecchia, H DeGrazia, C P Moran
Deletion of spoIIAB blocks endospore formation in Bacillus subtilis at an early stage.
J Bacteriol: 1991, 173(21);6678-85
[PubMed:1938874] [WorldCat.org] [DOI] (P p)

P Margolis, A Driks, R Losick
Establishment of cell type by compartmentalized activation of a transcription factor.
Science: 1991, 254(5031);562-5
[PubMed:1948031] [WorldCat.org] [DOI] (P p)

R Schmidt, P Margolis, L Duncan, R Coppolecchia, C P Moran, R Losick
Control of developmental transcription factor sigma F by sporulation regulatory proteins SpoIIAA and SpoIIAB in Bacillus subtilis.
Proc Natl Acad Sci U S A: 1990, 87(23);9221-5
[PubMed:2123551] [WorldCat.org] [DOI] (P p)

J Errington, J Mandelstam
Use of a lacZ gene fusion to determine the dependence pattern of sporulation operon spoIIA in spo mutants of Bacillus subtilis.
J Gen Microbiol: 1986, 132(11);2967-76
[PubMed:3114419] [WorldCat.org] [DOI] (P p)