<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>2.0</version>
  <creation_date>2012-05-31 13:02:24 -0600</creation_date>
  <update_date>2015-09-13 12:56:09 -0600</update_date>
  <accession>ECMDB00956</accession>
  <m2m_id>M2MDB000206</m2m_id>
  <name>Tartaric acid</name>
  <description>Tartaric acid is a white crystalline organic acid. Salts of tartaric acid are known as tartrates. It is a dihydroxy derivative of dicarboxylic acid. Naturally-occurring tartaric acid is chiral, meaning that it has molecules that are non-superimposable on their mirror-images. It is a useful raw material in organic chemistry for the synthesis of other chiral molecules. The naturally occurring form of the acid is L-(+)-tartaric acid or dextrotartaric acid. The mirror-image (enantiomeric) form, levotartaric acid or D-(-)-tartaric acid, and the achiral form, mesotartaric acid, can be made artificially. (Wikipedia)  In E. coli K-12, tartaric acid is involved in glyoxylate and dicarboxylate metabolism. (KEGG)</description>
  <synonyms>
    <synonym>(+)-(2R,3R)-Tartarate</synonym>
    <synonym>(+)-(2R,3R)-Tartaric acid</synonym>
    <synonym>(+)-tartarate</synonym>
    <synonym>(+)-tartaric acid</synonym>
    <synonym>(+)-tartrate</synonym>
    <synonym>(+)-tartric acid</synonym>
    <synonym>(1R,2R)-1,2-Dihydroxyethane-1,2-dicarboxylate</synonym>
    <synonym>(1R,2R)-1,2-Dihydroxyethane-1,2-dicarboxylic acid</synonym>
    <synonym>(2R,3R)-2,3-dihydroxybutanedioate</synonym>
    <synonym>(2R,3R)-2,3-dihydroxybutanedioic acid</synonym>
    <synonym>(2R,3R)-2,3-dihydroxysuccinate</synonym>
    <synonym>(2R,3R)-2,3-dihydroxysuccinic acid</synonym>
    <synonym>(2R,3R)-2,3-tartarate</synonym>
    <synonym>(2R,3R)-2,3-tartaric acid</synonym>
    <synonym>(2R,3R)-Tartarate</synonym>
    <synonym>(2R,3R)-Tartaric acid</synonym>
    <synonym>(2R,3R)-tartrate</synonym>
    <synonym>(2R,3R)-tartric acid</synonym>
    <synonym>(R,R)-(+)-tartarate</synonym>
    <synonym>(R,R)-(+)-tartaric acid</synonym>
    <synonym>(R,R)-tartarate</synonym>
    <synonym>(R,R)-tartaric acid</synonym>
    <synonym>(R,R)-tartrate</synonym>
    <synonym>(R,R)-tartric acid</synonym>
    <synonym>1,2-Dihydroxyethane-1,2-dicarboxylate</synonym>
    <synonym>1,2-Dihydroxyethane-1,2-dicarboxylic acid</synonym>
    <synonym>2,3-Dihydroxy-succinate</synonym>
    <synonym>2,3-Dihydroxy-succinic acid</synonym>
    <synonym>2,3-Dihydroxybutanedioate</synonym>
    <synonym>2,3-Dihydroxybutanedioic acid</synonym>
    <synonym>2,3-Dihydroxysuccinate</synonym>
    <synonym>2,3-Dihydroxysuccinic acid</synonym>
    <synonym>D-a,b-Dihydroxysuccinate</synonym>
    <synonym>D-a,b-Dihydroxysuccinic acid</synonym>
    <synonym>D-Tartarate</synonym>
    <synonym>D-Tartaric acid</synonym>
    <synonym>Dextrotartarate</synonym>
    <synonym>Dextrotartaric acid</synonym>
    <synonym>L(+)-Tartarate</synonym>
    <synonym>L(+)-Tartaric acid</synonym>
    <synonym>L-(+)-Tartarate</synonym>
    <synonym>L-(+)-Tartaric acid</synonym>
    <synonym>L-Tartarate</synonym>
    <synonym>L-Tartaric acid</synonym>
    <synonym>L-Threarate</synonym>
    <synonym>L-Threaric acid</synonym>
    <synonym>Natural tartarate</synonym>
    <synonym>Natural tartaric acid</synonym>
    <synonym>Rechtsweinsaeure</synonym>
    <synonym>TAR</synonym>
    <synonym>Tartarate</synonym>
    <synonym>Tartaric acid</synonym>
    <synonym>Tartrate</synonym>
    <synonym>Tartric acid</synonym>
    <synonym>Threarate</synonym>
    <synonym>Threaric acid</synonym>
    <synonym>TLA</synonym>
    <synonym>Weinsaeure</synonym>
  </synonyms>
  <chemical_formula>C4H6O6</chemical_formula>
  <average_molecular_weight>150.0868</average_molecular_weight>
  <monisotopic_moleculate_weight>150.016437924</monisotopic_moleculate_weight>
  <iupac_name>(2R,3R)-2,3-dihydroxybutanedioic acid</iupac_name>
  <traditional_iupac>L(+)-tartaric acid</traditional_iupac>
  <cas_registry_number>87-69-4</cas_registry_number>
  <smiles>O[C@H]([C@@H](O)C(O)=O)C(O)=O</smiles>
  <inchi>InChI=1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1</inchi>
  <inchikey>FEWJPZIEWOKRBE-JCYAYHJZSA-N</inchikey>
  <state>Solid</state>
  <cellular_locations>
    <cellular_location>Cytosol</cellular_location>
    <cellular_location>Extra-organism</cellular_location>
    <cellular_location>Periplasm</cellular_location>
  </cellular_locations>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-1.27</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>0.03</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>1.61e+02 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>169 oC</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>-1.8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>2.72</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-4.3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>(2R,3R)-2,3-dihydroxybutanedioic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>150.0868</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>150.016437924</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>O[C@H]([C@@H](O)C(O)=O)C(O)=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C4H6O6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>FEWJPZIEWOKRBE-JCYAYHJZSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>115.06</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>26.21</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>11.33</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>-2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
    <pathway>
      <name>Butanoate metabolism</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00650</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Glyoxylate and dicarboxylate metabolism</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00630</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>inner membrane transport</name>
      <description>list of inner membrane transport complexes, transporting compounds from the periplasmic space to the cytosol
This pathway should be updated regularly with the new inner membrae transports added</description>
      <pathwhiz_id>PW000786</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>glycolate and glyoxylate degradation II</name>
      <description>Oxaloglycolate (2-Hydroxy-3-oxosuccinate) interacts with a tartrate dehydrogenase resulting in a L-tartrate. L-tartrate then interacts with tartrate dehydrogenase resulting in a Oxaloacetate. Oxaloacetate and acetyl-coa interact  to result in a citrate which is processed by a aconitate hydratase  resulting in a cis-Aconitate and further more into a isocitrate which will eventually be procressed into a glyoxylic acid.  Glyoxylic acid can either be metabolized into L-malic acid by a reaction with acetyl-CoA and Water through a malate synthase G which also releases hydrogen ion and Coenzyme A. L-malic acid is then incorporated into the TCA cycle. Glyoxylic acid can also be metabolized by glyoxylate carboligase, releasing a carbon dioxide and tartronate semialdehyde. The latter compound is then reduced by an NADH driven tartronate semialdehyde reductase 2 resulting in glyceric acid. Glyceric acid is phosphorylated by a glycerate kinase 2 resulting in a 3-phosphoglyceric acid. This compound is then integrated into various other pathways: cysteine biosynthesis, serine biosynthesis and glycolysis and pyruvate dehydrogenase.</description>
      <pathwhiz_id>PW002021</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>684</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1308</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>6360</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30027</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30587</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31268</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>149840</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082476</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082477</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082478</spectrum_id>
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    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082479</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082480</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082481</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082482</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082483</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082484</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082485</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082486</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082487</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082488</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082489</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082490</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082491</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082492</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1082493</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::EiMs</type>
      <spectrum_id>2005</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1621</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8042</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8043</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8044</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8045</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8046</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8047</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8048</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8049</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8050</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8051</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8052</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8053</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8054</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8055</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8056</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8057</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8058</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8059</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8060</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>8061</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1354</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1355</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1356</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4963</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4964</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4965</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4966</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4967</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>247110</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>247111</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>247112</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>267054</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>267055</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>267056</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>438513</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>438514</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>438515</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>438516</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>438517</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2256903</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2257705</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2258850</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2259705</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2736833</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2736834</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1050</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1562</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB00956</hmdb_id>
  <pubchem_compound_id>444305</pubchem_compound_id>
  <chemspider_id>392277</chemspider_id>
  <kegg_id>C00898</kegg_id>
  <chebi_id>15671</chebi_id>
  <biocyc_id>TARTRATE</biocyc_id>
  <het_id>TLA</het_id>
  <wikipidia>Tartaric acid</wikipidia>
  <foodb_id></foodb_id>
  <general_references>
    <reference>
      <reference_text>Keseler, I. M., Collado-Vides, J., Santos-Zavaleta, A., Peralta-Gil, M., Gama-Castro, S., Muniz-Rascado, L., Bonavides-Martinez, C., Paley, S., Krummenacker, M., Altman, T., Kaipa, P., Spaulding, A., Pacheco, J., Latendresse, M., Fulcher, C., Sarker, M., Shearer, A. G., Mackie, A., Paulsen, I., Gunsalus, R. P., Karp, P. D. (2011). "EcoCyc: a comprehensive database of Escherichia coli biology." Nucleic Acids Res 39:D583-D590.</reference_text>
      <pubmed_id>21097882</pubmed_id>
    </reference>
    <reference>
      <reference_text>Kanehisa, M., Goto, S., Sato, Y., Furumichi, M., Tanabe, M. (2012). "KEGG for integration and interpretation of large-scale molecular data sets." Nucleic Acids Res 40:D109-D114.</reference_text>
      <pubmed_id>22080510</pubmed_id>
    </reference>
    <reference>
      <reference_text>van der Werf, M. J., Overkamp, K. M., Muilwijk, B., Coulier, L., Hankemeier, T. (2007). "Microbial metabolomics: toward a platform with full metabolome coverage." Anal Biochem 370:17-25.</reference_text>
      <pubmed_id>17765195</pubmed_id>
    </reference>
    <reference>
      <reference_text>Winder, C. L., Dunn, W. B., Schuler, S., Broadhurst, D., Jarvis, R., Stephens, G. M., Goodacre, R. (2008). "Global metabolic profiling of Escherichia coli cultures: an evaluation of methods for quenching and extraction of intracellular metabolites." Anal Chem 80:2939-2948.</reference_text>
      <pubmed_id>18331064</pubmed_id>
    </reference>
    <reference>
      <reference_text>Sreekumar A, Poisson LM, Rajendiran TM, Khan AP, Cao Q, Yu J, Laxman B, Mehra R, Lonigro RJ, Li Y, Nyati MK, Ahsan A, Kalyana-Sundaram S, Han B, Cao X, Byun J, Omenn GS, Ghosh D, Pennathur S, Alexander DC, Berger A, Shuster JR, Wei JT, Varambally S, Beecher C, Chinnaiyan AM: Metabolomic profiles delineate potential role for sarcosine in prostate cancer progression. Nature. 2009 Feb 12;457(7231):910-4.</reference_text>
      <pubmed_id>19212411</pubmed_id>
    </reference>
    <reference>
      <reference_text>Petrarulo M, Marangella M, Bianco O, Linari F: Ion-chromatographic determination of L-tartrate in urine samples.  Clin Chem. 1991 Jan;37(1):90-3.</reference_text>
      <pubmed_id>1988215</pubmed_id>
    </reference>
    <reference>
      <reference_text>Lord RS, Burdette CK, Bralley JA: Significance of urinary tartaric acid.  Clin Chem. 2005 Mar;51(3):672-3.</reference_text>
      <pubmed_id>15738524</pubmed_id>
    </reference>
  </general_references>
  <synthesis_reference>Milas, N. A.; Terry, Ethel M. Oxidation of fumaric and of maleic acids to tartaric acid. Journal of the American Chemical Society (1925), 47 1412-8.</synthesis_reference>
  <msds_url>http://hmdb.ca/system/metabolites/msds/000/000/860/original/HMDB00956.pdf?1358461643</msds_url>
  <enzymes>
    <enzyme>
      <name>L(+)-tartrate dehydratase subunit alpha</name>
      <uniprot_id>P05847</uniprot_id>
      <uniprot_name>TTDA_ECOLI</uniprot_name>
      <gene_name>ttdA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P05847.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>L(+)-tartrate dehydratase subunit beta</name>
      <uniprot_id>P0AC35</uniprot_id>
      <uniprot_name>TTDB_ECOLI</uniprot_name>
      <gene_name>ttdB</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AC35.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>D-malate dehydrogenase [decarboxylating]</name>
      <uniprot_id>P76251</uniprot_id>
      <uniprot_name>DMLA_ECOLI</uniprot_name>
      <gene_name>dmlA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P76251.xml</protein_url>
    </enzyme>
  </enzymes>
  <transporters>
    <enzyme>
      <name>L-tartrate/succinate antiporter</name>
      <uniprot_id>P39414</uniprot_id>
      <uniprot_name>TTDT_ECOLI</uniprot_name>
      <gene_name>ttdT</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P39414.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Outer membrane protein N</name>
      <uniprot_id>P77747</uniprot_id>
      <uniprot_name>OMPN_ECOLI</uniprot_name>
      <gene_name>ompN</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P77747.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Outer membrane pore protein E</name>
      <uniprot_id>P02932</uniprot_id>
      <uniprot_name>PHOE_ECOLI</uniprot_name>
      <gene_name>phoE</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P02932.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Outer membrane protein F</name>
      <uniprot_id>P02931</uniprot_id>
      <uniprot_name>OMPF_ECOLI</uniprot_name>
      <gene_name>ompF</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P02931.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Outer membrane protein C</name>
      <uniprot_id>P06996</uniprot_id>
      <uniprot_name>OMPC_ECOLI</uniprot_name>
      <gene_name>ompC</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P06996.xml</protein_url>
    </enzyme>
  </transporters>
  <reactions>
    <reaction_text>Tartaric acid &lt;&gt; Water + Oxalacetic acid</reaction_text>
    <kegg_reaction_id>R00339</kegg_reaction_id>
    <ecocyc_id>LTARTDEHYDRA-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Tartaric acid &lt;&gt; Glyceric acid + Carbon dioxide</reaction_text>
    <kegg_reaction_id>R01751</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Tartaric acid + NAD &lt;&gt; 2-Hydroxy-3-oxosuccinate + NADH + Hydrogen ion</reaction_text>
    <kegg_reaction_id>R06180</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Tartaric acid &gt; Oxalacetic acid + Water</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
  </reactions>
  <concentrations>
  </concentrations>
</compound>
