CapA

• Description: similar to capsular polyglutamate biosynthesis
  
  

Gene name	capA
Synonyms	ywtB, pgsA
Essential	no
Product	unknown
Function	unknown
Gene expression levels in SubtiExpress: capA
MW, pI	42 kDa, 9.274
Gene length, protein length	1140 bp, 380 aa
Immediate neighbours	capE, capC
Gene sequence (+200bp)	Protein sequence
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed 500px

Categories containing this gene/protein

capsule biosynthesis and degradation

This gene is a member of the following regulons

DegU regulon

The gene

Basic information

• Locus tag: BSU35880

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:

• Cofactors:

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure:

• UniProt: P96738

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: capB-capC-capA-capE PubMed

• Expression browser: capA PubMed

• Sigma factor: SigA PubMed

• Regulation:

• Regulatory mechanism: activated by DegU-P PubMed

• Additional information:
  • The operon is not expressed in the lab strain 168 due to lack of expression of DegQ resulting in inactivity of DegS and DegU PubMed
  • expression of the operon is reduced in motA or motB mutants due to reduced DegU phosphorylation PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Massimiliano Marvasi, Pieter T Visscher, Lilliam Casillas Martinez
Exopolymeric substances (EPS) from Bacillus subtilis: polymers and genes encoding their synthesis.
FEMS Microbiol Lett: 2010, 313(1);1-9
[PubMed:20735481] [WorldCat.org] [DOI] (I p)

Thomas Candela, Agnès Fouet
Poly-gamma-glutamate in bacteria.
Mol Microbiol: 2006, 60(5);1091-8
[PubMed:16689787] [WorldCat.org] [DOI] (P p)

Original publications

Additional publications: PubMed

Jia Mun Chan, Sarah B Guttenplan, Daniel B Kearns
Defects in the flagellar motor increase synthesis of poly-γ-glutamate in Bacillus subtilis.
J Bacteriol: 2014, 196(4);740-53
[PubMed:24296669] [WorldCat.org] [DOI] (I p)

Thi-Huyen Do, Yuki Suzuki, Naoki Abe, Jun Kaneko, Yoshifumi Itoh, Keitarou Kimura
Mutations suppressing the loss of DegQ function in Bacillus subtilis (natto) poly-γ-glutamate synthesis.
Appl Environ Microbiol: 2011, 77(23);8249-58
[PubMed:21965392] [WorldCat.org] [DOI] (I p)

Tohru Kamei, Daisuke Yamashiro, Terumi Horiuchii, Yutaka Minouchi, Makoto Ashiuchi
Identification and biochemical characterization of membranous short-chain polyglutamate from Bacillus subtilis.
Chem Biodivers: 2010, 7(6);1563-72
[PubMed:20564574] [WorldCat.org] [DOI] (I p)

Chuan-Mei Yeh, Jyh-Perng Wang, Shih-Ching Lo, Wen-Chia Chan, Ming-Yi Lin
Chromosomal integration of a synthetic expression control sequence achieves poly-gamma-glutamate production in a Bacillus subtilis strain.
Biotechnol Prog: 2010, 26(4);1001-7
[PubMed:20564357] [WorldCat.org] [DOI] (I p)

Keitarou Kimura, Lam-Son Phan Tran, Thi-Huyen Do, Yoshifumi Itoh
Expression of the pgsB encoding the poly-gamma-DL-glutamate synthetase of Bacillus subtilis (natto).
Biosci Biotechnol Biochem: 2009, 73(5);1149-55
[PubMed:19420703] [WorldCat.org] [DOI] (I p)

Yuji Urushibata, Shinji Tokuyama, Yasutaka Tahara
Difference in transcription levels of cap genes for gamma-polyglutamic acid production between Bacillus subtilis IFO 16449 and Marburg 168.
J Biosci Bioeng: 2002, 93(2);252-4
[PubMed:16233197] [WorldCat.org] [DOI] (P p)

Yuji Urushibata, Shinji Tokuyama, Yasutaka Tahara
Characterization of the Bacillus subtilis ywsC gene, involved in gamma-polyglutamic acid production.
J Bacteriol: 2002, 184(2);337-43
[PubMed:11751809] [WorldCat.org] [DOI] (P p)