Pgm

• Description: phosphoglycerate mutase, glycolytic/ gluconeogenic enzyme
  
  

Gene name	pgm
Synonyms	gpmI
Essential	yes
Product	2,3-bisphosphoglycerate-independent phosphoglycerate mutase
Function	enzyme in glycolysis/ gluconeogenesis
MW, pI	56,1 kDa, 5.21
Gene length, protein length	1533 bp, 511 amino acids
Immediate neighbours	tpi, eno
Gene sequence (+200bp)	Protein sequence
Genetic context

The gene

Basic information

• Coordinates: 3476911 - 3478443

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 2-phospho-D-glycerate = 3-phospho-D-glycerate

• Protein family: BPG-independent phosphoglycerate mutase family

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: phosphorylation PubMed

• Cofactor(s): 2 manganese ions per subunit

• Effectors of protein activity: inhibited by heavy-metal ions, 2,3-butanedione and sulfhydryl agents PubMed

• Interactions: Pgm-PfkA

• Localization: cytoplasm PubMed

Database entries

• Structure: Geobacillus stearothermophilus, complex with 2-phosphoglycerate NCBI, Geobacillus stearothermophilus, complex with 3-phosphoglycerate NCBI

• Swiss prot entry: [3]

• KEGG entry: [4]

• E.C. number: [5]

Additional information

is pH sensitive

Expression and regulation

• Operon:
  • cggR-gapA-pgk-tpiA-pgm-eno
  • pgk-tpiA-pgm-eno

• Sigma factor: SigA

• Regulation:

cggR: neg. regulated by CggR PubMed, induced by sugar

pgk: constitutive PubMed

• Regulatory mechanism: transcription repression by CggR PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector: pGP1101 (N-terminal His-tag, in pWH844), pGP396 (Pgm-S62A, N-terminal His-tag, in pWH844), pGP92 (N-terminal Strep-tag, for SPINE, expression in B. subtilis, in pGP380), available in Stülke lab

• lacZ fusion:

• GFP fusion:

• two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab

• Antibody:

Labs working on this gene/protein

Jörg Stülke, University of Göttingen, Germany Homepage

Mark J. Jedrzejas, Research Center Oakland, CA, USA Homepage

References

1. Jannière, L., Canceill, D., Suski, C., Kanga, S., Dalmais, B., Lestini, R., Monnier, A. F., Chapuis, J., Bolotin, A., Titok, M., Le Chatelier, E., and Ehrlich, S. D. (2007) Genetic evidence for a link between glycolysis and DNA replication. PLoS ONE 2, e447. PubMed
2. Leyva-Vazquez, M. A., and Setlow, P. (1994) Cloning and nucleotide sequences of the genes encoding triose phosphate isomerase, phosphoglycerate mutase, and enolase from Bacillus subtilis. J Bacteriol 176: 3903-3910. PubMed
3. Ludwig, H., Homuth, G., Schmalisch, M., Dyka, F. M., Hecker, M. & Stülke, J. (2001) Transcription of glycolytic genes and operons in Bacillus subtilis: Evidence for the presence of multiple levels of control of the gapA operon. Mol. Microbiol. 41: 409-422. PubMed
4. Chandler et al. (1999) Structural studies on a 2,3-diphosphoglycerate independent phosphoglycerate mutase from Bacillus stearothermophilus. J. Struct. Biol. 126: 156-165. PubMed
5. Jedrzejas et al. (2000) Structure and mechanism of action of a novel phosphoglycerate mutase from Bacillus stearothermophilus. EMBO J. 19: 1419-1431. PubMed
6. Jedrzejas et al. (2000) Mechanism of catalysis of the cofactor-independent phosphoglycerate mutase from Bacillus stearothermophilus. Crystal structure of the complex with a 2-phosphoglycerate. J. Biol. Chem. 275: 23146-23153. PubMed
7. Jedrzejas and Setlow (2001) Comparison of the binuclear metalloenzymes diphosphoglycerate-independent phosphoglycerate mutase and alkaline phosphatase: their mechanism of catalysis via a phosphoserine intermediate. Chem. Rev. 101: 607-618. PubMed
8. Ridgen et al. (2003) Insights into the catalytic mechanism of cofactor-independent phosphoglycerate mutase from X-ray crystallography, simulated dynamics and molecular modeling. J. Mol. Biol. 328: 909-920. PubMed
9. Nukui et al. (2007) Structure and molecular mechanism of Bacillus anthracis cofactor-independent phosphoglycerate mutase: a crucial enzyme for spores and growing cells of Bacillus species. Biophys. J. 92: 977-988. PubMed