Reaction participants Show >> << Hide
- Name help_outline glycerol 1-phosphate Identifier CHEBI:231935 Charge -2 Formula C3H7O6P InChIKeyhelp_outline AWUCVROLDVIAJX-UHFFFAOYSA-L SMILEShelp_outline OCC(O)COP([O-])([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 11 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H2O Identifier CHEBI:15377 (CAS: 7732-18-5) help_outline Charge 0 Formula H2O InChIKeyhelp_outline XLYOFNOQVPJJNP-UHFFFAOYSA-N SMILEShelp_outline [H]O[H] 2D coordinates Mol file for the small molecule Search links Involved in 6,264 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline glycerol Identifier CHEBI:17754 (CAS: 56-81-5) help_outline Charge 0 Formula C3H8O3 InChIKeyhelp_outline PEDCQBHIVMGVHV-UHFFFAOYSA-N SMILEShelp_outline OCC(O)CO 2D coordinates Mol file for the small molecule Search links Involved in 74 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline phosphate Identifier CHEBI:43474 Charge -2 Formula HO4P InChIKeyhelp_outline NBIIXXVUZAFLBC-UHFFFAOYSA-L SMILEShelp_outline OP([O-])([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 1,002 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
RHEA:11476 | RHEA:11477 | RHEA:11478 | RHEA:11479 | |
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Publications
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Purification and characterization of two isoenzymes of DL-glycerol-3-phosphatase from Saccharomyces cerevisiae. Identification of the corresponding GPP1 and GPP2 genes and evidence for osmotic regulation of Gpp2p expression by the osmosensing mitogen-activated protein kinase signal transduction pathway.
Norbeck J., Paehlman A.-K., Akhtar N., Blomberg A., Adler L.
The existence of specific dl-glycerol-3-phosphatase (EC 3.1.3.21) activity in extracts of Saccharomyces cerevisiae was confirmed by examining strains lacking nonspecific acid and alkaline phosphatase activities. During purification of the glycerol-3-phosphatase, two isozymes having very similar mo ... >> More
The existence of specific dl-glycerol-3-phosphatase (EC 3.1.3.21) activity in extracts of Saccharomyces cerevisiae was confirmed by examining strains lacking nonspecific acid and alkaline phosphatase activities. During purification of the glycerol-3-phosphatase, two isozymes having very similar molecular weights were isolated by gel filtration and anion exchange chromatography. By microsequencing of trypsin-generated peptides the corresponding genes were identified as previously sequenced open reading frames of unknown function. The two genes, GPP1 (YIL053W) and GPP2 (YER062C) encode proteins that show 95% amino acid identity and have molecular masses of 30.4 and 27.8 kDa, respectively. The intracellular concentration of Gpp2p increases in cells subjected to osmotic stress, while the production of Gpp1p is unaffected by changes of external osmolarity. Both isoforms have a high specificity for dl-glycerol-3-phosphate, pH optima at 6.5, and KmG3P in the range of 3-4 mM. The osmotic induction of Gpp2p is blocked in cells that are defective in the HOG-mitogen-activated protein kinase pathway, indicating that GPP2 is a target gene for this osmosensing signal transduction pathway. Together with DOG1 and DOG2, encoding two highly homologous enzymes that dephosphorylate 2-deoxyglucose-6-phosphate, GPP1 and GPP2 constitute a new family of genes for low molecular weight phosphatases. << Less
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Evolution of a Saccharomyces cerevisiae metabolic pathway in Escherichia coli.
Meynial Salles I., Forchhammer N., Croux C., Girbal L., Soucaille P.
The Saccharomyces cerevisiae glycerol pathway (GPD1 and GPP2) was evolved in vivo in Escherichia coli. The central metabolism of E. coli was engineered to link glucose consumption and glycerol production. The engineered strain was evolved in a chemostat culture and a high glycerol producer was rap ... >> More
The Saccharomyces cerevisiae glycerol pathway (GPD1 and GPP2) was evolved in vivo in Escherichia coli. The central metabolism of E. coli was engineered to link glucose consumption and glycerol production. The engineered strain was evolved in a chemostat culture and a high glycerol producer was rapidly obtained. The evolution of the strain was associated to a deletion between GPD1 and GPP2, resulting in the production of a fusion protein with both glycerol-3-P dehydrogenase and glycerol-3-P phosphatase activities. The higher efficiency of the fusion protein was due to partial glycerol-3-P channeling between the two active sites. The evolved strain produces glycerol from glucose at high yield, concentration and productivity. << Less
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Discovery of a glycerol 3-phosphate phosphatase reveals glycerophospholipid polar head recycling in Mycobacterium tuberculosis.
Larrouy-Maumus G., Biswas T., Hunt D.M., Kelly G., Tsodikov O.V., de Carvalho L.P.
Functional assignment of enzymes encoded by the Mycobacterium tuberculosis genome is largely incomplete despite recent advances in genomics and bioinformatics. Here, we applied an activity-based metabolomic profiling method to assign function to a unique phosphatase, Rv1692. In contrast to its ann ... >> More
Functional assignment of enzymes encoded by the Mycobacterium tuberculosis genome is largely incomplete despite recent advances in genomics and bioinformatics. Here, we applied an activity-based metabolomic profiling method to assign function to a unique phosphatase, Rv1692. In contrast to its annotation as a nucleotide phosphatase, metabolomic profiling and kinetic characterization indicate that Rv1692 is a D,L-glycerol 3-phosphate phosphatase. Crystal structures of Rv1692 reveal a unique architecture, a fusion of a predicted haloacid dehalogenase fold with a previously unidentified GCN5-related N-acetyltransferase region. Although not directly involved in acetyl transfer, or regulation of enzymatic activity in vitro, this GCN5-related N-acetyltransferase region is critical for the solubility of the phosphatase. Structural and biochemical analysis shows that the active site features are adapted for recognition of small polyol phosphates, and not nucleotide substrates. Functional assignment and metabolomic studies of M. tuberculosis lacking rv1692 demonstrate that Rv1692 is the final enzyme involved in glycerophospholipid recycling/catabolism, a pathway not previously described in M. tuberculosis. << Less
Proc. Natl. Acad. Sci. U.S.A. 110:11320-11325(2013) [PubMed] [EuropePMC]
This publication is cited by 1 other entry.
Comments
Published in: Sussman, I., Avron, M. Characterization and partial purification of