CapA

• Description: similar to capsular polyglutamate biosynthesis
  
  

Gene name	capA
Synonyms	ywtB, pgsA
Essential	no
Product	unknown
Function	unknown
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

The gene

Basic information

• Locus tag: BSU35880

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

capsule biosynthesis and degradation

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:

• Localization:

Database entries

• Structure:

• UniProt: P96738

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: capB-capC-capA-capE 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

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Original publications

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)