PabB

• Description: para-aminobenzoate synthase (subunit A)
  
  

Gene name	pabB
Synonyms	pab
Essential	no
Product	para-aminobenzoate synthase (subunit A)
Function	biosynthesis of folate
Metabolic function and regulation of this protein in SubtiPathways: Phe, Tyr, Trp, Folate
MW, pI	53 kDa, 5.234
Gene length, protein length	1410 bp, 470 aa
Immediate neighbours	cysK, pabA
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: BSU00740

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

biosynthesis of cofactors

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Chorismate + L-glutamine = 4-amino-4-deoxychorismate + L-glutamate (according to Swiss-Prot)

• Protein family: anthranilate synthase component I family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: PabA-PabB

• Localization:

Database entries

• Structure:

• UniProt: P28820

• KEGG entry: [3]

• E.C. number: 2.6.1.85

Expression and regulation

• Operon: pabB-pabA-pabC-sul-folB-folK-yazB-yacF-lysS PubMed

• Sigma factor: SigA PubMed

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Antoine de Saizieu, Pierre Vankan, Cassandra Vockler, Adolphus P G M van Loon
The trp RNA-binding attenuation protein (TRAP) regulates the steady-state levels of transcripts of the Bacillus subtilis folate operon.
Microbiology (Reading): 1997, 143 ( Pt 3);979-989
[PubMed:9084182] [WorldCat.org] [DOI] (P p)