DapA

• Description: dihydrodipicolinate synthase
  
  

Gene name	dapA
Synonyms
Essential	yes PubMed
Product	dihydrodipicolinate synthase
Function	biosynthesis of lysine and peptidoglycan
Gene expression levels in SubtiExpress: dapA
Metabolic function and regulation of this protein in SubtiPathways: dapA
MW, pI	30 kDa, 4.928
Gene length, protein length	870 bp, 290 aa
Immediate neighbours	dapG, rnjB
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

cell wall synthesis, biosynthesis/ acquisition of amino acids, Biosynthesis of cell wall components, sporulation proteins, essential genes

This gene is a member of the following regulons

SigK regulon

The gene

Basic information

• Locus tag: BSU16770

Phenotypes of a mutant

essential PubMed

Database entries

• BsubCyc: BSU16770

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: L-aspartate 4-semialdehyde + pyruvate = L-2,3-dihydrodipicolinate + 2 H₂O (according to Swiss-Prot)

• Protein family: DHDPS family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactors:

• Effectors of protein activity:

• Interactions:

• Localization:
  • cytoplasm (according to Swiss-Prot)

Database entries

• BsubCyc: BSU16770

• Structure: 3CPR (from Corynebacterium glutamicum, 39% identity, 58% similarity) PubMed

• UniProt: Q04796

• KEGG entry: [3]

• E.C. number: 4.2.1.52

Expression and regulation

• Operon:
  • spoVFA-spoVFB-asd-dapG-dapA PubMed
  • asd-dapG-dapA PubMed

• Expression browser: dapA PubMed

• Sigma factor:
  • spoVFA: SigK PubMed
  • asd: SigA PubMed

• Regulation:

• Regulatory mechanism:

• Additional information:
  • number of protein molecules per cell (minimal medium with glucose and ammonium): 537 PubMed
  • number of protein molecules per cell (complex medium with amino acids, without glucose): 1926 PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Leif Steil, Mónica Serrano, Adriano O Henriques, Uwe Völker
Genome-wide analysis of temporally regulated and compartment-specific gene expression in sporulating cells of Bacillus subtilis.
Microbiology (Reading): 2005, 151(Pt 2);399-420
[PubMed:15699190] [WorldCat.org] [DOI] (P p)

R A Daniel, J Errington
Cloning, DNA sequence, functional analysis and transcriptional regulation of the genes encoding dipicolinic acid synthetase required for sporulation in Bacillus subtilis.
J Mol Biol: 1993, 232(2);468-83
[PubMed:8345520] [WorldCat.org] [DOI] (P p)

N Y Chen, S Q Jiang, D A Klein, H Paulus
Organization and nucleotide sequence of the Bacillus subtilis diaminopimelate operon, a cluster of genes encoding the first three enzymes of diaminopimelate synthesis and dipicolinate synthase.
J Biol Chem: 1993, 268(13);9448-65
[PubMed:8098035] [WorldCat.org] (P p)