<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>2.0</version>
  <creation_date>2012-05-31 13:47:33 -0600</creation_date>
  <update_date>2015-06-03 15:53:50 -0600</update_date>
  <accession>ECMDB01201</accession>
  <m2m_id>M2MDB000296</m2m_id>
  <name>Guanosine diphosphate</name>
  <description>Guanosine 5'-(trihydrogen diphosphate). A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. It is an ester of pyrophosphoric acid with the nucleoside guanosine. GDP consists of the pyrophosphate group, the pentose sugar ribose, and the nucleobase guanine. GDP is the product of GTP dephosphorylation by GTPases, e.g. the G-proteins that are involved in signal transduction.</description>
  <synonyms>
    <synonym>5'-GDP</synonym>
    <synonym>GDP</synonym>
    <synonym>Guanosine 5'-(trihydrogen pyrophosphate)</synonym>
    <synonym>Guanosine 5'-(trihydrogen pyrophosphoric acid)</synonym>
    <synonym>Guanosine 5'-diphosphate</synonym>
    <synonym>Guanosine 5'-diphosphoric acid</synonym>
    <synonym>Guanosine 5'-pyrophosphate</synonym>
    <synonym>Guanosine 5'-pyrophosphoric acid</synonym>
    <synonym>Guanosine diphosphoric acid</synonym>
    <synonym>Guanosine mono(trihydrogen diphosphate)</synonym>
    <synonym>Guanosine mono(trihydrogen diphosphoric acid)</synonym>
    <synonym>Guanosine pyrophosphate</synonym>
    <synonym>Guanosine pyrophosphoric acid</synonym>
    <synonym>Guanosine-5'-diphosphate</synonym>
    <synonym>Guanosine-5'-diphosphoric acid</synonym>
    <synonym>Guanosine-diphosphate</synonym>
    <synonym>Guanosine-diphosphoric acid</synonym>
    <synonym>PpG</synonym>
  </synonyms>
  <chemical_formula>C10H15N5O11P2</chemical_formula>
  <average_molecular_weight>443.2005</average_molecular_weight>
  <monisotopic_moleculate_weight>443.024329371</monisotopic_moleculate_weight>
  <iupac_name>[({[(2R,3S,4R,5R)-5-(2-amino-6-oxo-6,9-dihydro-3H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy]phosphonic acid</iupac_name>
  <traditional_iupac>{[(2R,3S,4R,5R)-5-(2-amino-6-oxo-3H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy(hydroxy)phosphoryl}oxyphosphonic acid</traditional_iupac>
  <cas_registry_number>146-91-8</cas_registry_number>
  <smiles>NC1=NC2=C(N=CN2[C@@H]2O[C@H](COP(O)(=O)OP(O)(O)=O)[C@@H](O)[C@H]2O)C(=O)N1</smiles>
  <inchi>InChI=1S/C10H15N5O11P2/c11-10-13-7-4(8(18)14-10)12-2-15(7)9-6(17)5(16)3(25-9)1-24-28(22,23)26-27(19,20)21/h2-3,5-6,9,16-17H,1H2,(H,22,23)(H2,19,20,21)(H3,11,13,14,18)/t3-,5-,6-,9-/m1/s1</inchi>
  <inchikey>QGWNDRXFNXRZMB-UUOKFMHZSA-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>-1.51</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.00</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>4.44e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>-3.7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>1.71</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>2.55</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>[({[(2R,3S,4R,5R)-5-(2-amino-6-oxo-6,9-dihydro-3H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy]phosphonic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>443.2005</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>443.024329371</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>NC1=NC2=C(N=CN2[C@@H]2O[C@H](COP(O)(=O)OP(O)(O)=O)[C@@H](O)[C@H]2O)C(=O)N1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C10H15N5O11P2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C10H15N5O11P2/c11-10-13-7-4(8(18)14-10)12-2-15(7)9-6(17)5(16)3(25-9)1-24-28(22,23)26-27(19,20)21/h2-3,5-6,9,16-17H,1H2,(H,22,23)(H2,19,20,21)(H3,11,13,14,18)/t3-,5-,6-,9-/m1/s1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>QGWNDRXFNXRZMB-UUOKFMHZSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>248.28</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>85.93</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>34.74</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>13</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>-3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
    <pathway>
      <name>Alanine, aspartate and glutamate metabolism</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00250</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Purine metabolism</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00230</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Porphyrin and chlorophyll metabolism</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00860</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Metabolic pathways</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>eco01100</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Aspartate metabolism</name>
      <description>Aspartate (seen in the center) is synthesized from and degraded to oxaloacetate , an intermediate of the TCA cycle, by a reversible transamination reaction with glutamate. As shown here, AspC is the principal transaminase that catalyzes this reaction, but TyrB also catalyzes it. Null mutations in aspC do not confer aspartate auxotrophy; null mutations in both aspC and tyrB do.

Aspartate is a constituent of proteins and participates in several other biosyntheses as shown here( NAD biosynthesis and Beta-Alanine Metabolism . Approximately 27 percent of the cell's nitrogen flows through aspartate
Aspartate can be synthesized from fumaric acid through a aspartate ammonia lyase. Aspartate also participates in the synthesis of L-asparagine through two different methods, either through aspartate ammonia ligase or asparagine synthetase B.
Aspartate is also a precursor of fumaric acid. Again it has two possible ways of synthesizing it. First set of reactions follows an adenylo succinate synthetase that yields adenylsuccinic acid and then adenylosuccinate lyase  in turns leads to fumaric acid. The second way is through argininosuccinate synthase that yields argininosuccinic acid and then argininosuccinate lyase in turns leads to fumaric acid
</description>
      <pathwhiz_id>PW000787</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>purine nucleotides de novo biosynthesis</name>
      <description>The biosynthesis of purine nucleotides is a complex process that begins with a phosphoribosyl pyrophosphate. This compound interacts with water and L-glutamine through a 
amidophosphoribosyl transferase resulting in a pyrophosphate, L-glutamic acid and a 5-phosphoribosylamine. The latter compound proceeds to interact with a glycine through an ATP driven phosphoribosylamine-glycine ligase resulting in the addition of glycine to the compound. This reaction releases an ADP, a phosphate, a hydrogen ion and a N1-(5-phospho-β-D-ribosyl)glycinamide. The latter compound interacts with formic acid, through an ATP driven phosphoribosylglycinamide formyltransferase 2 resulting in a phosphate, an ADP, a hydrogen ion and a 5-phosphoribosyl-N-formylglycinamide. The latter compound interacts with L-glutamine, and water through an ATP-driven 
phosphoribosylformylglycinamide synthetase resulting in a release of a phosphate, an ADP, a hydrogen ion, a L-glutamic acid and a 2-(formamido)-N1-(5-phospho-D-ribosyl)acetamidine. The latter compound interacts with an ATP driven phosphoribosylformylglycinamide cyclo-ligase resulting in a release of ADP, a phosphate, a hydrogen ion and a 5-aminoimidazole ribonucleotide. The latter compound interacts with a hydrogen carbonate through an ATP driven N5-carboxyaminoimidazole ribonucleotide synthetase resulting in a release of a phosphate, an ADP, a hydrogen ion and a N5-carboxyaminoimidazole ribonucleotide.The latter compound then interacts with a N5-carboxyaminoimidazole ribonucleotide mutase resulting in a 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate. This compound interacts with an L-aspartic acid through an ATP driven phosphoribosylaminoimidazole-succinocarboxamide synthase resulting in a phosphate, an ADP, a hydrogen ion and a SAICAR. SAICAR interacts with an adenylosuccinate lyase resulting in a fumaric acid and an AICAR. AICAR interacts with a formyltetrahydrofolate through a AICAR transformylase / IMP cyclohydrolase resulting in a release of a tetrahydropterol mono-l-glutamate and a FAICAR. The latter compound, FAICAR, interacts in a reversible reaction through a AICAR transformylase / IMP cyclohydrolase resulting in a release of water and Inosinic acid. 
Inosinic acid can be metabolized to produce dGTP and dATP   three different methods each.

dGTP:
 Inosinic acid, water and NAD are processed by IMP dehydrogenase resulting in a release of NADH, a hydrogen ion and Xanthylic acid. Xanthylic acid interacts with L-glutamine, and water through an ATP driven GMP synthetase resulting in pyrophosphate, AMP, L-glutamic acid, a hydrogen ion and Guanosine monophosphate. The latter compound is the phosphorylated by reacting with an ATP driven guanylate kinase resulting in a release of ADP and a Gaunosine diphosphate. Guanosine diphosphate can be metabolized in three different ways:
       1.-Guanosine diphosphate is phosphorylated by an ATP-driven nucleoside diphosphate kinase resulting in an ADP and a Guanosine triphosphate. This compound interacts with a reduced flavodoxin protein through a ribonucleoside-triphosphate reductase resulting in a oxidized flavodoxin a water moleculer and a dGTP
       2.-Guanosine diphosphate interacts with a reduced NrdH glutaredoxin-like proteins through a ribonucleoside-diphosphate reductase 2 resulting in the release of an oxidized NrdH glutaredoxin-like protein, a water molecule and a dGDP. The dGDP is then phosphorylated by interacting with an ATP-driven nucleoside diphosphate kinase resulting in an ADP and dGTP.
       3.-Guanosine diphosphate interacts with a reduced thioredoxin ribonucleoside diphosphate reductase 1 resulting in a release of a water molecule, an oxidized thioredoxin and a dGDP. The dGDP is then phosphorylated by interacting with an ATP-driven nucleoside diphosphate kinase resulting in an ADP and dGTP.

dATP:
Inosinic acid interacts with L-aspartic acid through an GTP driven adenylosuccinate synthase results in the release of GDP, a hydrogen ion, a phosphate and N(6)-(1,2-dicarboxyethyl)AMP. The latter compound is then cleaved by a adenylosuccinate lyase resulting in a fumaric acid and an Adenosine monophosphate. This compound is then phosphorylated by an adenylate kinase resulting in the release of ATP and an adenosine diphosphate. Adenosine diphosphate can be metabolized in three different ways:
        1.-Adenosine diphosphate is involved in a reversible reaction by interacting with a hydrogen ion and a phosphate through a ATP synthase / thiamin triphosphate synthase resulting in a hydrogen ion, a water molecule and an Adenosine triphosphate. The adenosine triphosphate interacts with a reduced flavodoxin through a ribonucleoside-triphosphate reductase resulting in an oxidized flavodoxin, a water molecule and a dATP
        2.- Adenosine diphosphate interacts with an reduced thioredoxin through a ribonucleoside diphosphate reductase 1 resulting in a release of a water molecule, a oxidized thioredoxin and a dADP. The dADP is then phosphorylated by a nucleoside diphosphate kinase resulting in the release of ADP and a dATP
        3.- Adenosine diphosphate interacts with an reduced NrdH glutaredoxin-like protein through a ribonucleoside diphosphate reductase 2 resulting in a release of a water molecule, a oxidized glutaredoxin-like protein and a dADP. The dADP is then phosphorylated by a nucleoside diphosphate kinase resulting in the release of ADP and a dATP


</description>
      <pathwhiz_id>PW000910</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>purine nucleotides de novo biosynthesis 1435709748</name>
      <description/>
      <pathwhiz_id>PW000960</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>purine nucleotides de novo biosynthesis 2</name>
      <description>The biosynthesis of purine nucleotides is a complex process that begins with a phosphoribosyl pyrophosphate. This compound interacts with water and L-glutamine through a amidophosphoribosyl transferase resulting in a pyrophosphate, L-glutamic acid and a 5-phosphoribosylamine. The latter compound proceeds to interact with a glycine through an ATP driven phosphoribosylamine-glycine ligase resulting in the addition of glycine to the compound. This reaction releases an ADP, a phosphate, a hydrogen ion and a N1-(5-phospho-β-D-ribosyl)glycinamide. The latter compound interacts with formic acid, through an ATP driven phosphoribosylglycinamide formyltransferase 2 resulting in a phosphate, an ADP, a hydrogen ion and a 5-phosphoribosyl-N-formylglycinamide. The latter compound interacts with L-glutamine, and water through an ATP-driven phosphoribosylformylglycinamide synthetase resulting in a release of a phosphate, an ADP, a hydrogen ion, a L-glutamic acid and a 2-(formamido)-N1-(5-phospho-D-ribosyl)acetamidine. The latter compound interacts with an ATP driven phosphoribosylformylglycinamide cyclo-ligase resulting in a release of ADP, a phosphate, a hydrogen ion and a 5-aminoimidazole ribonucleotide. The latter compound interacts with a hydrogen carbonate through an ATP driven N5-carboxyaminoimidazole ribonucleotide synthetase resulting in a release of a phosphate, an ADP, a hydrogen ion and a N5-carboxyaminoimidazole ribonucleotide(5-Phosphoribosyl-5-carboxyaminoimidazole).The latter compound then interacts with a N5-carboxyaminoimidazole ribonucleotide mutase resulting in a 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate. This compound interacts with an L-aspartic acid through an ATP driven phosphoribosylaminoimidazole-succinocarboxamide synthase resulting in a phosphate, an ADP, a hydrogen ion and a SAICAR. SAICAR interacts with an adenylosuccinate lyase resulting in a fumaric acid and an AICAR. AICAR interacts with a formyltetrahydrofolate through a AICAR transformylase / IMP cyclohydrolase resulting in a release of a tetrahydropterol mono-l-glutamate and a FAICAR. The latter compound, FAICAR, interacts in a reversible reaction through a AICAR transformylase / IMP cyclohydrolase resulting in a release of water and Inosinic acid. Inosinic acid can be metabolized to produce dGTP and dATP three different methods each. dGTP: Inosinic acid, water and NAD are processed by IMP dehydrogenase resulting in a release of NADH, a hydrogen ion and Xanthylic acid. Xanthylic acid interacts with L-glutamine, and water through an ATP driven GMP synthetase resulting in pyrophosphate, AMP, L-glutamic acid, a hydrogen ion and Guanosine monophosphate. The latter compound is the phosphorylated by reacting with an ATP driven guanylate kinase resulting in a release of ADP and a Gaunosine diphosphate. Guanosine diphosphate can be metabolized in three different ways: 1.-Guanosine diphosphate is phosphorylated by an ATP-driven nucleoside diphosphate kinase resulting in an ADP and a Guanosine triphosphate. This compound interacts with a reduced flavodoxin protein through a ribonucleoside-triphosphate reductase resulting in a oxidized flavodoxin a water moleculer and a dGTP 2.-Guanosine diphosphate interacts with a reduced NrdH glutaredoxin-like proteins through a ribonucleoside-diphosphate reductase 2 resulting in the release of an oxidized NrdH glutaredoxin-like protein, a water molecule and a dGDP. The dGDP is then phosphorylated by interacting with an ATP-driven nucleoside diphosphate kinase resulting in an ADP and dGTP. 3.-Guanosine diphosphate interacts with a reduced thioredoxin ribonucleoside diphosphate reductase 1 resulting in a release of a water molecule, an oxidized thioredoxin and a dGDP. The dGDP is then phosphorylated by interacting with an ATP-driven nucleoside diphosphate kinase resulting in an ADP and dGTP. dATP: Inosinic acid interacts with L-aspartic acid through an GTP driven adenylosuccinate synthase results in the release of GDP, a hydrogen ion, a phosphate and N(6)-(1,2-dicarboxyethyl)AMP. The latter compound is then cleaved by a adenylosuccinate lyase resulting in a fumaric acid and an Adenosine monophosphate. This compound is then phosphorylated by an adenylate kinase resulting in the release of ATP and an adenosine diphosphate. Adenosine diphosphate can be metabolized in three different ways: 1.-Adenosine diphosphate is involved in a reversible reaction by interacting with a hydrogen ion and a phosphate through a ATP synthase / thiamin triphosphate synthase resulting in a hydrogen ion, a water molecule and an Adenosine triphosphate. The adenosine triphosphate interacts with a reduced flavodoxin through a ribonucleoside-triphosphate reductase resulting in an oxidized flavodoxin, a water molecule and a dATP 2.- Adenosine diphosphate interacts with an reduced thioredoxin through a ribonucleoside diphosphate reductase 1 resulting in a release of a water molecule, a oxidized thioredoxin and a dADP. The dADP is then phosphorylated by a nucleoside diphosphate kinase resulting in the release of ADP and a dATP 3.- Adenosine diphosphate interacts with an reduced NrdH glutaredoxin-like protein through a ribonucleoside diphosphate reductase 2 resulting in a release of a water molecule, a oxidized glutaredoxin-like protein and a dADP. The dADP is then phosphorylated by a nucleoside diphosphate kinase resulting in the release of ADP and a dATP</description>
      <pathwhiz_id>PW002033</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>adenosine nucleotides &lt;i&gt;de novo&lt;/i&gt; biosynthesis</name>
      <ecocyc_pathway_id>PWY-6126</ecocyc_pathway_id>
    </pathway>
    <pathway>
      <name>ppGpp biosynthesis</name>
      <ecocyc_pathway_id>PPGPPMET-PWY</ecocyc_pathway_id>
    </pathway>
    <pathway>
      <name>guanosine nucleotides &lt;i&gt;de novo&lt;/i&gt; biosynthesis</name>
      <ecocyc_pathway_id>PWY-6125</ecocyc_pathway_id>
    </pathway>
    <pathway>
      <name>salvage pathways of pyrimidine ribonucleotides</name>
      <ecocyc_pathway_id>PWY0-163</ecocyc_pathway_id>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>21480</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>37972</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>147095</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1660</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>4813</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>4814</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87452</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87453</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87454</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87455</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87456</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87457</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87458</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87459</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87460</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87461</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87462</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87463</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87464</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87465</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87466</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87467</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87468</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87469</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87470</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>87471</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1460</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1461</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1462</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>179532</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>179533</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>179534</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>181860</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>181861</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>181862</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440101</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>451931</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2226693</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2228051</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2229089</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2230341</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2231416</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2232802</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2233746</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2235181</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2314190</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2314191</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2314192</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2621066</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2621067</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2621068</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1057</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1601</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB01201</hmdb_id>
  <pubchem_compound_id>8977</pubchem_compound_id>
  <chemspider_id>8630</chemspider_id>
  <kegg_id>C00035</kegg_id>
  <chebi_id>17552</chebi_id>
  <biocyc_id>GDP</biocyc_id>
  <het_id>GDP</het_id>
  <wikipidia>GDP</wikipidia>
  <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>Bennett, B. D., Kimball, E. H., Gao, M., Osterhout, R., Van Dien, S. J., Rabinowitz, J. D. (2009). "Absolute metabolite concentrations and implied enzyme active site occupancy in Escherichia coli." Nat Chem Biol 5:593-599.</reference_text>
      <pubmed_id>19561621</pubmed_id>
    </reference>
    <reference>
      <reference_text>Ishii, N., Nakahigashi, K., Baba, T., Robert, M., Soga, T., Kanai, A., Hirasawa, T., Naba, M., Hirai, K., Hoque, A., Ho, P. Y., Kakazu, Y., Sugawara, K., Igarashi, S., Harada, S., Masuda, T., Sugiyama, N., Togashi, T., Hasegawa, M., Takai, Y., Yugi, K., Arakawa, K., Iwata, N., Toya, Y., Nakayama, Y., Nishioka, T., Shimizu, K., Mori, H., Tomita, M. (2007). "Multiple high-throughput analyses monitor the response of E. coli to perturbations." Science 316:593-597.</reference_text>
      <pubmed_id>17379776</pubmed_id>
    </reference>
    <reference>
      <reference_text>Buchholz, A., Takors, R., Wandrey, C. (2001). "Quantification of intracellular metabolites in Escherichia coli K12 using liquid chromatographic-electrospray ionization tandem mass spectrometric techniques." Anal Biochem 295:129-137.</reference_text>
      <pubmed_id>11488613</pubmed_id>
    </reference>
    <reference>
      <reference_text>Chantin C, Bonin B, Boulieu R, Bory C: Liquid-chromatographic study of purine metabolism abnormalities in purine nucleoside phosphorylase deficiency. Clin Chem. 1996 Feb;42(2):326-8.</reference_text>
      <pubmed_id>8595732</pubmed_id>
    </reference>
  </general_references>
  <synthesis_reference>Edlin, Gordon; Donini, P.  Synthesis of guanosine 5'-diphosphate, 2'-(or 3'-) diphosphate, and related nucleotides in a variety of physiological conditions.    Journal of Biological Chemistry  (1971),  246(13),  4371-3.</synthesis_reference>
  <msds_url/>
  <enzymes>
    <enzyme>
      <name>Ribonucleoside-diphosphate reductase 1 subunit alpha</name>
      <uniprot_id>P00452</uniprot_id>
      <uniprot_name>RIR1_ECOLI</uniprot_name>
      <gene_name>nrdA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P00452.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Polyribonucleotide nucleotidyltransferase</name>
      <uniprot_id>P05055</uniprot_id>
      <uniprot_name>PNP_ECOLI</uniprot_name>
      <gene_name>pnp</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P05055.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Bis(5'-nucleosyl)-tetraphosphatase [symmetrical]</name>
      <uniprot_id>P05637</uniprot_id>
      <uniprot_name>APAH_ECOLI</uniprot_name>
      <gene_name>apaH</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P05637.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Periplasmic AppA protein</name>
      <uniprot_id>P07102</uniprot_id>
      <uniprot_name>PPA_ECOLI</uniprot_name>
      <gene_name>appA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P07102.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Nucleoside diphosphate kinase</name>
      <uniprot_id>P0A763</uniprot_id>
      <uniprot_name>NDK_ECOLI</uniprot_name>
      <gene_name>ndk</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0A763.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Adenylosuccinate synthetase</name>
      <uniprot_id>P0A7D4</uniprot_id>
      <uniprot_name>PURA_ECOLI</uniprot_name>
      <gene_name>purA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0A7D4.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Uridine kinase</name>
      <uniprot_id>P0A8F4</uniprot_id>
      <uniprot_name>URK_ECOLI</uniprot_name>
      <gene_name>udk</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0A8F4.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Pyruvate kinase I</name>
      <uniprot_id>P0AD61</uniprot_id>
      <uniprot_name>KPYK1_ECOLI</uniprot_name>
      <gene_name>pykF</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AD61.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Bifunctional adenosylcobalamin biosynthesis protein cobU</name>
      <uniprot_id>P0AE76</uniprot_id>
      <uniprot_name>COBU_ECOLI</uniprot_name>
      <gene_name>cobU</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AE76.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Phosphatase nudJ</name>
      <uniprot_id>P0AEI6</uniprot_id>
      <uniprot_name>NUDJ_ECOLI</uniprot_name>
      <gene_name>nudJ</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AEI6.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>GTP pyrophosphokinase</name>
      <uniprot_id>P0AG20</uniprot_id>
      <uniprot_name>RELA_ECOLI</uniprot_name>
      <gene_name>relA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AG20.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Bifunctional (p)ppGpp synthase/hydrolase SpoT</name>
      <uniprot_id>P0AG24</uniprot_id>
      <uniprot_name>SPOT_ECOLI</uniprot_name>
      <gene_name>spoT</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AG24.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Thioredoxin-2</name>
      <uniprot_id>P0AGG4</uniprot_id>
      <uniprot_name>THIO2_ECOLI</uniprot_name>
      <gene_name>trxC</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AGG4.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Sulfate adenylyltransferase subunit 2</name>
      <uniprot_id>P21156</uniprot_id>
      <uniprot_name>CYSD_ECOLI</uniprot_name>
      <gene_name>cysD</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P21156.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Pyruvate kinase II</name>
      <uniprot_id>P21599</uniprot_id>
      <uniprot_name>KPYK2_ECOLI</uniprot_name>
      <gene_name>pykA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P21599.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Sulfate adenylyltransferase subunit 1</name>
      <uniprot_id>P23845</uniprot_id>
      <uniprot_name>CYSN_ECOLI</uniprot_name>
      <gene_name>cysN</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P23845.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Mannose-1-phosphate guanylyltransferase</name>
      <uniprot_id>P24174</uniprot_id>
      <uniprot_name>MANC_ECOLI</uniprot_name>
      <gene_name>manC</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P24174.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Anaerobic ribonucleoside-triphosphate reductase</name>
      <uniprot_id>P28903</uniprot_id>
      <uniprot_name>NRDD_ECOLI</uniprot_name>
      <gene_name>nrdD</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P28903.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>GDP-mannose mannosyl hydrolase</name>
      <uniprot_id>P32056</uniprot_id>
      <uniprot_name>NUDD_ECOLI</uniprot_name>
      <gene_name>nudD</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P32056.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Ribonucleoside-diphosphate reductase 2 subunit beta</name>
      <uniprot_id>P37146</uniprot_id>
      <uniprot_name>RIR4_ECOLI</uniprot_name>
      <gene_name>nrdF</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P37146.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Putative ribosome biogenesis GTPase RsgA</name>
      <uniprot_id>P39286</uniprot_id>
      <uniprot_name>RSGA_ECOLI</uniprot_name>
      <gene_name>rsgA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P39286.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Ribonucleoside-diphosphate reductase 2 subunit alpha</name>
      <uniprot_id>P39452</uniprot_id>
      <uniprot_name>RIR3_ECOLI</uniprot_name>
      <gene_name>nrdE</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P39452.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Guanylate kinase</name>
      <uniprot_id>P60546</uniprot_id>
      <uniprot_name>KGUA_ECOLI</uniprot_name>
      <gene_name>gmk</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P60546.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Adenylate kinase</name>
      <uniprot_id>P69441</uniprot_id>
      <uniprot_name>KAD_ECOLI</uniprot_name>
      <gene_name>adk</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P69441.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Ribonucleoside-diphosphate reductase 1 subunit beta</name>
      <uniprot_id>P69924</uniprot_id>
      <uniprot_name>RIR2_ECOLI</uniprot_name>
      <gene_name>nrdB</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P69924.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Glutaredoxin-4</name>
      <uniprot_id>P0AC69</uniprot_id>
      <uniprot_name>GLRX4_ECOLI</uniprot_name>
      <gene_name>grxD</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AC69.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Glutaredoxin-3</name>
      <uniprot_id>P0AC62</uniprot_id>
      <uniprot_name>GLRX3_ECOLI</uniprot_name>
      <gene_name>grxC</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AC62.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Glutaredoxin-2</name>
      <uniprot_id>P0AC59</uniprot_id>
      <uniprot_name>GLRX2_ECOLI</uniprot_name>
      <gene_name>grxB</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AC59.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Glutaredoxin-1</name>
      <uniprot_id>P68688</uniprot_id>
      <uniprot_name>GLRX1_ECOLI</uniprot_name>
      <gene_name>grxA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P68688.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Thioredoxin-1</name>
      <uniprot_id>P0AA25</uniprot_id>
      <uniprot_name>THIO_ECOLI</uniprot_name>
      <gene_name>trxA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AA25.xml</protein_url>
    </enzyme>
  </enzymes>
  <transporters>
    <enzyme>
      <name>Nucleoside diphosphate kinase</name>
      <uniprot_id>P0A763</uniprot_id>
      <uniprot_name>NDK_ECOLI</uniprot_name>
      <gene_name>ndk</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0A763.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>Guanosine diphosphate + Reduced Thioredoxin &gt; dGDP + Water + Oxidized Thioredoxin</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine diphosphate + glutaredoxin &gt; dGDP + glutaredoxin + Water</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + Guanosine diphosphate &lt;&gt; ADP + Guanosine triphosphate</reaction_text>
    <kegg_reaction_id>R00330</kegg_reaction_id>
    <ecocyc_id>GDPKIN-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + Guanosine triphosphate + Water + Sulfate &gt; Adenosine phosphosulfate + Guanosine diphosphate + Phosphate + Pyrophosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + Guanosine diphosphate &gt; Adenosine monophosphate + Hydrogen ion + Guanosine 3',5'-bis(diphosphate)</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>GDPPYPHOSKIN-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>P1,P4-Bis(5'-guanosyl) tetraphosphate + Water &gt;2 Guanosine diphosphate +2 Hydrogen ion</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine monophosphate + Guanosine triphosphate &lt;&gt; ADP + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine triphosphate + Water &gt; Guanosine diphosphate + Hydrogen ion + Phosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>3.6.5.1-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Guanosine diphosphate + Hydrogen ion + D-Mannose 1-phosphate &gt; Guanosine diphosphate mannose + Phosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine diphosphate mannose + Water &gt; Guanosine diphosphate + Hydrogen ion + D-Mannose</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>GDPMANMANHYDRO-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Cytidine + Guanosine triphosphate &gt; Cytidine monophosphate + Guanosine diphosphate + Hydrogen ion</reaction_text>
    <kegg_reaction_id>R00517</kegg_reaction_id>
    <ecocyc_id>CYTIDINEKIN-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Guanosine triphosphate + Uridine &gt; Guanosine diphosphate + Hydrogen ion + Uridine 5'-monophosphate</reaction_text>
    <kegg_reaction_id>R00968</kegg_reaction_id>
    <ecocyc_id>URKI-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + Guanosine monophosphate &lt;&gt; ADP + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id>R00332</kegg_reaction_id>
    <ecocyc_id>GUANYL-KIN-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Water + Guanosine 3',5'-bis(diphosphate) &lt;&gt; Guanosine diphosphate + Pyrophosphate</reaction_text>
    <kegg_reaction_id>R00336</kegg_reaction_id>
    <ecocyc_id>PPGPPSYN-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>L-Aspartic acid + Guanosine triphosphate + Inosinic acid &lt;&gt; Adenylsuccinic acid + Guanosine diphosphate +2 Hydrogen ion + Phosphate</reaction_text>
    <kegg_reaction_id>R01135</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine triphosphate + Pyruvic acid &lt;&gt; Guanosine diphosphate + Phosphoenolpyruvic acid</reaction_text>
    <kegg_reaction_id>R00430</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>RNA + Phosphate &lt;&gt; RNA + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id>R00439</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine triphosphate + Cytidine &lt;&gt; Guanosine diphosphate + Cytidine monophosphate</reaction_text>
    <kegg_reaction_id>R00517</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine triphosphate + Uridine &lt;&gt; Guanosine diphosphate + Uridine 5'-monophosphate</reaction_text>
    <kegg_reaction_id>R00968</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine triphosphate + Inosinic acid + L-Aspartic acid &lt;&gt; Guanosine diphosphate + Phosphate + Adenylsuccinic acid</reaction_text>
    <kegg_reaction_id>R01135</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>dGDP + Thioredoxin disulfide + Water &lt;&gt; Guanosine diphosphate + Thioredoxin</reaction_text>
    <kegg_reaction_id>R02019</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosyl cobinamide + Guanosine triphosphate &lt;&gt; Adenosyl cobinamide phosphate + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id>R06558</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>L-Aspartic acid + Inosinic acid + Guanosine triphosphate &gt; Hydrogen ion + adenylo-succinate + Phosphate + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>ADENYLOSUCCINATE-SYNTHASE-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>GDP-&amp;alpha;-D-glucose + Water &gt; Hydrogen ion + b-D-Glucose + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>GDP-GLUCOSIDASE-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Guanosine diphosphate + Adenosine triphosphate &gt; Guanosine triphosphate + ADP</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>GDPKIN-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + Guanosine diphosphate &gt; Adenosine monophosphate + Guanosine 3',5'-bis(diphosphate)</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>GDPPYPHOSKIN-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Guanosine diphosphate + Water &gt; Hydrogen ion + Guanosine monophosphate + Phosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>GUANOSINE-DIPHOSPHATASE-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Guanosine 3',5'-bis(diphosphate) + Water &gt; Hydrogen ion + Pyrophosphate + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>PPGPPSYN-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Guanosine diphosphate mannose + Water &gt; Guanosine diphosphate + D-Mannose</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + Guanosine monophosphate &gt; ADP + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine triphosphate + Water &gt; Guanosine diphosphate + Inorganic phosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine triphosphate + Inosinic acid + L-Aspartic acid &gt; Guanosine diphosphate + Inorganic phosphate + N(6)-(1,2-dicarboxyethyl)AMP</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Guanosine 3',5'-bis(diphosphate) + Water &gt; Guanosine diphosphate + Pyrophosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + Guanosine triphosphate + Adenosyl cobinamide &lt;&gt; Adenosyl cobinamide phosphate + ADP + Guanosine diphosphate</reaction_text>
    <kegg_reaction_id>R05221 R06558 </kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Succinyl-CoA + Phosphate + Guanosine diphosphate + Succinyl-CoA &lt;&gt; Succinic acid + Coenzyme A + Guanosine triphosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R002578</pw_reaction_id>
    <reaction_text>Guanosine triphosphate + Inosinic acid + L-Aspartic acid + L-Aspartic acid &gt; Guanosine diphosphate + Phosphate + N(6)-(1,2-dicarboxyethyl)AMP</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R002648</pw_reaction_id>
    <reaction_text>Inosinic acid + L-Aspartic acid + Guanosine triphosphate + L-Aspartic acid &gt; Guanosine diphosphate + Phosphate +2 Hydrogen ion + N(6)-(1,2-dicarboxyethyl)AMP + Adenylsuccinic acid</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R003424</pw_reaction_id>
    <reaction_text>Guanosine monophosphate + Adenosine triphosphate &gt; Adenosine diphosphate + Guanosine diphosphate + ADP</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R003428</pw_reaction_id>
    <reaction_text>Guanosine diphosphate + Adenosine triphosphate &gt; Adenosine diphosphate + Guanosine triphosphate + ADP</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R003429</pw_reaction_id>
    <reaction_text>Guanosine diphosphate + reduced thioredoxin &gt; oxidized thioredoxin  + Water + dGDP + dGDP</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R003431</pw_reaction_id>
    <reaction_text>Guanosine diphosphate + a reduced NrdH glutaredoxin-like protein &gt; Water + an oxidized NrdH glutaredoxin-like protein + dGDP + dGDP</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R003433</pw_reaction_id>
    <reaction_text>L-Aspartic acid + Guanosine triphosphate + Inosinic acid &lt;&gt; Adenylsuccinic acid + Guanosine diphosphate +2 Hydrogen ion + Phosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
  </reactions>
  <concentrations>
    <growth_media>0.2 g/L NH4Cl, 2.0 g/L (NH4)2SO4, 3.25 g/L KH2PO4, 2.5 g/L K2HPO4, 1.5 g/L NaH2PO4, 0.5 g/L MgSO4; trace substances: 10 mg/L CaCl2, 0.5 mg/L ZnSO4, 0.25 mg/L CuCl2, 0.25 mg/L  MnSO4, 0.175 mg/L CoCl2, 0.125 mg/L H3BO3, 2.5 mg/L AlCl3, 0.5 mg/L Na2MoO4, 10</growth_media>
    <growth_system>Bioreactor, pH controlled, aerated, dilution rate=0.125 L/h</growth_system>
    <concentration>30.0</concentration>
    <concentration_units>uM</concentration_units>
    <internal/>
    <error>2.0</error>
    <temperature>37 oC</temperature>
    <strain>K12</strain>
    <growth_status>Stationary Phase, glucose limited</growth_status>
    <molecules>120000</molecules>
    <molecules_error>8000</molecules_error>
    <reference>
      <reference_text>Buchholz, A., Takors, R., Wandrey, C. (2001). "Quantification of intracellular metabolites in Escherichia coli K12 using liquid chromatographic-electrospray ionization tandem mass spectrometric techniques." Anal Biochem 295:129-137.</reference_text>
      <pubmed_id>11488613</pubmed_id>
    </reference>
    <growth_media>Gutnick minimal complete medium (4.7 g/L KH2PO4; 13.5 g/L K2HPO4; 1 g/L K2SO4; 0.1 g/L MgSO4-7H2O; 10 mM NH4Cl) with 4 g/L glucose</growth_media>
    <growth_system>Shake flask and filter culture</growth_system>
    <concentration>676.0</concentration>
    <concentration_units>uM</concentration_units>
    <internal/>
    <error>0.0</error>
    <temperature>37 oC</temperature>
    <strain>K12 NCM3722</strain>
    <growth_status>Mid-Log Phase</growth_status>
    <molecules>2704000</molecules>
    <molecules_error>0</molecules_error>
    <reference>
      <reference_text>Bennett, B. D., Kimball, E. H., Gao, M., Osterhout, R., Van Dien, S. J., Rabinowitz, J. D. (2009). "Absolute metabolite concentrations and implied enzyme active site occupancy in Escherichia coli." Nat Chem Biol 5:593-599.</reference_text>
      <pubmed_id>19561621</pubmed_id>
    </reference>
    <growth_media>Gutnick minimal complete medium (4.7 g/L KH2PO4; 13.5 g/L K2HPO4; 1 g/L K2SO4; 0.1 g/L MgSO4-7H2O; 10 mM NH4Cl) with 4 g/L glycerol</growth_media>
    <growth_system>Shake flask and filter culture</growth_system>
    <concentration>23.2</concentration>
    <concentration_units>uM</concentration_units>
    <internal/>
    <error>0.0</error>
    <temperature>37 oC</temperature>
    <strain>K12 NCM3722</strain>
    <growth_status>Mid-Log Phase</growth_status>
    <molecules>92800</molecules>
    <molecules_error>0</molecules_error>
    <reference>
      <reference_text>Bennett, B. D., Kimball, E. H., Gao, M., Osterhout, R., Van Dien, S. J., Rabinowitz, J. D. (2009). "Absolute metabolite concentrations and implied enzyme active site occupancy in Escherichia coli." Nat Chem Biol 5:593-599.</reference_text>
      <pubmed_id>19561621</pubmed_id>
    </reference>
    <growth_media>Gutnick minimal complete medium (4.7 g/L KH2PO4; 13.5 g/L K2HPO4; 1 g/L K2SO4; 0.1 g/L MgSO4-7H2O; 10 mM NH4Cl) with 4 g/L acetate</growth_media>
    <growth_system>Shake flask and filter culture</growth_system>
    <concentration>17.7</concentration>
    <concentration_units>uM</concentration_units>
    <internal/>
    <error>0.0</error>
    <temperature>37 oC</temperature>
    <strain>K12 NCM3722</strain>
    <growth_status>Mid-Log Phase</growth_status>
    <molecules>70800</molecules>
    <molecules_error>0</molecules_error>
    <reference>
      <reference_text>Bennett, B. D., Kimball, E. H., Gao, M., Osterhout, R., Van Dien, S. J., Rabinowitz, J. D. (2009). "Absolute metabolite concentrations and implied enzyme active site occupancy in Escherichia coli." Nat Chem Biol 5:593-599.</reference_text>
      <pubmed_id>19561621</pubmed_id>
    </reference>
    <growth_media>48 mM Na2HPO4, 22 mM KH2PO4, 10 mM NaCl, 45 mM (NH4)2SO4, supplemented with 1 mM MgSO4, 1 mg/l thiamine·HCl, 5.6 mg/l CaCl2, 8 mg/l FeCl3, 1 mg/l MnCl2·4H2O, 1.7 mg/l ZnCl2, 0.43 mg/l CuCl2·2H2O, 0.6 mg/l CoCl2·2H2O and 0.6 mg/l Na2MoO4·2H2O.  4 g/L Gluco</growth_media>
    <growth_system>Bioreactor, pH controlled, O2 and CO2 controlled, dilution rate: 0.2/h</growth_system>
    <concentration>180.0</concentration>
    <concentration_units>uM</concentration_units>
    <internal/>
    <error>0.0</error>
    <temperature>37 oC</temperature>
    <strain>BW25113</strain>
    <growth_status>Stationary Phase, glucose limited</growth_status>
    <molecules>720000</molecules>
    <molecules_error>0</molecules_error>
    <reference>
      <reference_text>Ishii, N., Nakahigashi, K., Baba, T., Robert, M., Soga, T., Kanai, A., Hirasawa, T., Naba, M., Hirai, K., Hoque, A., Ho, P. Y., Kakazu, Y., Sugawara, K., Igarashi, S., Harada, S., Masuda, T., Sugiyama, N., Togashi, T., Hasegawa, M., Takai, Y., Yugi, K., Arakawa, K., Iwata, N., Toya, Y., Nakayama, Y., Nishioka, T., Shimizu, K., Mori, H., Tomita, M. (2007). "Multiple high-throughput analyses monitor the response of E. coli to perturbations." Science 316:593-597.</reference_text>
      <pubmed_id>17379776</pubmed_id>
    </reference>
  </concentrations>
</compound>
