DapG

• Description: aspartokinase I (alpha and beta subunits)
  
  

Gene name	dapG
Synonyms	lssD
Essential	no
Product	aspartokinase I (alpha and beta subunits)
Function	biosynthesis of lysine and peptidoglycan
Metabolic function and regulation of this protein in SubtiPathways: Lys, Thr
MW, pI	42 kDa, 5.709
Gene length, protein length	1212 bp, 404 aa
Immediate neighbours	asd, dapA
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/ acquisition of amino acids, sporulation proteins

This gene is a member of the following regulons

SigK regulon

The gene

Basic information

• Locus tag: BSU16760

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + L-aspartate = ADP + 4-phospho-L-aspartate (according to Swiss-Prot)

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

• Paralogous protein(s): LysC

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity: inhibited by diaminopimelic acid PubMed

• Interactions:

• Localization:

Database entries

• Structure:

• UniProt: Q04795

• KEGG entry: [3]

• E.C. number: 2.7.2.4

Expression and regulation

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

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

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Chien-Chi Lo, Carol A Bonner, Gary Xie, Mark D'Souza, Roy A Jensen
Cohesion group approach for evolutionary analysis of aspartokinase, an enzyme that feeds a branched network of many biochemical pathways.
Microbiol Mol Biol Rev: 2009, 73(4);594-651
[PubMed:19946135] [WorldCat.org] [DOI] (I p)

Original publications

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)

L M Graves, R L Switzer
Aspartokinase III, a new isozyme in Bacillus subtilis 168.
J Bacteriol: 1990, 172(1);218-23
[PubMed:2152900] [WorldCat.org] [DOI] (P p)