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In enzymology, a 2-hydroxyglutarate synthase () is an
enzyme Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different molecule ...
that
catalyzes Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...
the
chemical reaction A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and break ...
:propanoyl-CoA + H2O + glyoxylate \rightleftharpoons 2-hydroxyglutarate + CoA The 3 substrates of this enzyme are propanoyl-CoA, H2O, and
glyoxylate Glyoxylic acid or oxoacetic acid is an organic compound. Together with acetic acid, glycolic acid, and oxalic acid, glyoxylic acid is one of the C2 carboxylic acids. It is a colourless solid that occurs naturally and is useful industrially. Str ...
, whereas its two products are 2-hydroxyglutarate and
CoA Coa may refer to: Places * Coa, County Fermanagh, a rural community in County Fermanagh, Northern Ireland * Côa River, a tributary of the Douro, Portugal ** Battle of Coa, part of the Peninsular War period of the Napoleonic Wars ** Côa Vall ...
. This
enzyme Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different molecule ...
belongs to the family of
transferase A transferase is any one of a class of enzymes that catalyse the transfer of specific functional groups (e.g. a methyl or glycosyl group) from one molecule (called the donor) to another (called the acceptor). They are involved in hundreds of ...
s, specifically those acyltransferases that convert acyl groups into alkyl groups on transfer. The
systematic name A systematic name is a name given in a systematic way to one unique group, organism, object or chemical substance, out of a specific population or collection. Systematic names are usually part of a nomenclature. A semisystematic name or semitrivial ...
of this enzyme class is propanoyl-CoA:glyoxylate C-propanoyltransferase (thioester-hydrolysing, 2-carboxyethyl-forming). Other names in common use include 2-hydroxyglutaratic synthetase, 2-hydroxyglutaric synthetase, alpha-hydroxyglutarate synthase, hydroxyglutarate synthase, and 2-hydroxyglutarate glyoxylate-lyase (CoA-propanoylating). This enzyme participates in c5-branched dibasic acid metabolism.


See also

* D2HGDH * L2HGDH * 2-hydroxyglutarate dehydrogenase *
2-Hydroxyglutaric aciduria 2-hydroxyglutaric aciduria is a rare neurometabolic disorder characterized by the significantly elevated levels of hydroxyglutaric acid in one's urine. It is either autosomal recessive or autosomal dominant. Presentation The signs/symptoms of this ...
*
Hydroxyacid-oxoacid transhydrogenase In enzymology, a hydroxyacid-oxoacid transhydrogenase () is an enzyme that catalyzes the chemical reaction :(S)-3-hydroxybutanoate + 2-oxoglutarate \rightleftharpoons acetoacetate + (R)-2-hydroxyglutarate Thus, the two substrates of this enzyme ...


References

* EC 2.3.3 Enzymes of unknown structure {{2.3-enzyme-stub