FolB

• Description: dihydroneopterin aldolase
  
  

Gene name	folB
Synonyms	folA, yacE
Essential	no
Product	dihydroneopterin aldolase
Function	biosynthesis of folate
Metabolic function and regulation of this protein in SubtiPathways: Folate
MW, pI	13 kDa, 5.228
Gene length, protein length	360 bp, 120 aa
Immediate neighbours	sul, folK
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

biosynthesis of cofactors

The gene

Basic information

• Locus tag: BSU00780

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 2-amino-4-hydroxy-6-(D-erythro-1,2,3-trihydroxypropyl)-7,8-dihydropteridine = 2-amino-4-hydroxy-6-hydroxymethyl-7,8-dihydropteridine + glycolaldehyde (according to Swiss-Prot)

• Protein family: DHNA 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: 1U68 (from Staphylococcus aureus, 47% identity, 72% similarity) PubMed

• UniProt: P28823

• KEGG entry: [3]

• E.C. number: 4.1.2.25

Expression and regulation

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

• Expression browser: folB 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)