<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>2.0</version>
  <creation_date>2012-05-31 13:45:03 -0600</creation_date>
  <update_date>2015-06-03 15:53:43 -0600</update_date>
  <accession>ECMDB01094</accession>
  <m2m_id>M2MDB000251</m2m_id>
  <name>Octaprenyl diphosphate</name>
  <description>Octaprenyl diphosphate belongs to the class of Tetraterpenes. These are terpene molecules containing 10 consecutively linked isoprene units. (inferred from compound structure)Octaprenyl diphosphate is invovled in Terpenoid backbone biosynthesis, Ubiquinone and other terpenoid-quinone biosynthesis, and Biosynthesis of secondary metabolites. (KEGG)</description>
  <synonyms>
    <synonym>All-trans-octaprenyl diphosphate</synonym>
    <synonym>all-trans-Octaprenyl diphosphoric acid</synonym>
    <synonym>Farnesylfarnesylgeraniol</synonym>
    <synonym>Octaprenyl diphosphate</synonym>
    <synonym>Octaprenyl diphosphoric acid</synonym>
    <synonym>Octaprenyl pyrophosphate</synonym>
    <synonym>Octaprenyl pyrophosphoric acid</synonym>
    <synonym>Octaprenyl-PP</synonym>
    <synonym>OPP</synonym>
    <synonym>OPrPP</synonym>
  </synonyms>
  <chemical_formula>C40H68O7P2</chemical_formula>
  <average_molecular_weight>722.9112</average_molecular_weight>
  <monisotopic_moleculate_weight>722.444027554</monisotopic_moleculate_weight>
  <iupac_name>{[hydroxy({[(2E,6E,10E,14E,18E,22E,26E)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl]oxy})phosphoryl]oxy}phosphonic acid</iupac_name>
  <traditional_iupac>octaprenyl pyrophosphate</traditional_iupac>
  <cas_registry_number/>
  <smiles>CC(C)=CCC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\COP(O)(=O)OP(O)(O)=O</smiles>
  <inchi>InChI=1S/C40H68O7P2/c1-33(2)17-10-18-34(3)19-11-20-35(4)21-12-22-36(5)23-13-24-37(6)25-14-26-38(7)27-15-28-39(8)29-16-30-40(9)31-32-46-49(44,45)47-48(41,42)43/h17,19,21,23,25,27,29,31H,10-16,18,20,22,24,26,28,30,32H2,1-9H3,(H,44,45)(H2,41,42,43)/b34-19+,35-21+,36-23+,37-25+,38-27+,39-29+,40-31+</inchi>
  <inchikey>IKKLDISSULFFQO-DJMILUHSSA-N</inchikey>
  <state></state>
  <cellular_locations>
    <cellular_location>Membrane</cellular_location>
  </cellular_locations>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>7.60</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-6.29</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.70e-04 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>11.92</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>1.77</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>{[hydroxy({[(2E,6E,10E,14E,18E,22E,26E)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl]oxy})phosphoryl]oxy}phosphonic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>722.9112</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>722.444027554</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC(C)=CCC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\COP(O)(=O)OP(O)(O)=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C40H68O7P2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C40H68O7P2/c1-33(2)17-10-18-34(3)19-11-20-35(4)21-12-22-36(5)23-13-24-37(6)25-14-26-38(7)27-15-28-39(8)29-16-30-40(9)31-32-46-49(44,45)47-48(41,42)43/h17,19,21,23,25,27,29,31H,10-16,18,20,22,24,26,28,30,32H2,1-9H3,(H,44,45)(H2,41,42,43)/b34-19+,35-21+,36-23+,37-25+,38-27+,39-29+,40-31+</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>IKKLDISSULFFQO-DJMILUHSSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>113.29</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>215.74</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>86.26</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>26</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>5</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>3</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>Ubiquinone and other terpenoid-quinone biosynthesis</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00130</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Terpenoid backbone biosynthesis</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00900</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Menaquinol biosythesis</name>
      <description>Menaquinol biosynthesis starts with chorismate being metabolized into isochorismate through a isochorismate synthase. Isochorismate then interacts with 2-oxoglutare and a hydrogen ion through a 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase resulting in the release of a carbon dioxide and a 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate. The latter compound then interacts with (1R,6R)-2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase resulting in the release of a pyruvate and a (1R,6R)-6-hydroxy-2-succinylcyclohexa-2,4-diene-1-carboxylate. This compound is the dehydrated through a o-succinylbenzoate synthase resulting in the release of a water molecule and a 2-succinylbenzoate. This compound  then interacts with a coenzyme A and an ATP through a o-succinylbenzoate CoA ligase resulting in the release of a diphosphate, a AMP and a succinylbenzoyl-CoA. The latter compound interacts with a hydrogen ion through a 1,4-dihydroxy-2-naphthoyl-CoA synthase resulting in the release of a water molecule or a 1,4-dihydroxy-2-naphthoyl-CoA. This compound then interacts with water through a 1,4-dihydroxy-2-naphthoyl-CoA thioesterase resulting in the release of a coenzyme A, a hydrogen ion and a 1,4-dihydroxy-2-naphthoate.
The 1,4-dihydroxy-2-naphthoate can interact with either farnesylfarnesylgeranyl-PP or octaprenyl diphosphate  and a hydrogen ion through a 1,4-dihydroxy-2-naphthoate octaprenyltransferase resulting in a release of a carbon dioxide, a pyrophosphate and a demethylmenaquinol-8. This compound then interacts with SAM through a bifunctional 2-octaprenyl-6-methoxy-1,4-benzoquinone methylase and S-adenosylmethionine:2-DMK methyltransferase resulting in a hydrogen ion, a s-adenosyl-L-homocysteine and a menaquinol.</description>
      <pathwhiz_id>PW001897</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>Secondary Metabolites: Ubiquinol biosynthesis</name>
      <description>The biosynthesis of ubiquinol starts the interaction of 4-hydroxybenzoic acid interacting with an octaprenyl diphosphate. The former compound comes from the chorismate interacting with a chorismate lyase resulting in the release of a pyruvic acid and a 4-hydroxybenzoic acid. On the other hand, the latter compound, octaprenyl diphosphate is the result of a farnesyl pyrophosphate interacting with an isopentenyl pyrophosphate through an octaprenyl diphosphate synthase resulting in the release of a pyrophosphate and an octaprenyl diphosphate.
The 4-hydroxybenzoic acid interacts with octaprenyl diphosphate through a 4-hydroxybenzoate octaprenyltransferase resulting in the release of a pyrophosphate and a 3-octaprenyl-4-hydroxybenzoate. The latter compound then interacts with a hydrogen ion through a 3-octaprenyl-4-hydroxybenzoate carboxy-lyase resulting in the release of a carbon dioxide and a 2-octaprenylphenol. The latter compound interacts with an oxygen molecule and a hydrogen ion through a NADPH driven 2-octaprenylphenol hydroxylase resulting in a NADP, a water molecule and  a 2-octaprenyl-6-hydroxyphenol.
The 2-octaprenyl-6-hydroxyphenol interacts with an S-adenosylmethionine through a bifunctional 3-demethylubiquinone-8 3-O-methyltransferase and 2-octaprenyl-6-hydroxyphenol methylase resulting in the release of a hydrogen ion, an s-adenosylhomocysteine and a 2-methoxy-6-(all-trans-octaprenyl)phenol. The latter compound then interacts with an oxygen molecule and a hydrogen ion through a NADPH driven 2-octaprenyl-6-methoxyphenol hydroxylase resulting in a NADP, a water molecule and a 2-methoxy-6-all trans-octaprenyl-2-methoxy-1,4-benzoquinol.
The latter compound interacts with a S-adenosylmethionine through a bifunctional 2-octaprenyl-6-methoxy-1,4-benzoquinone methylase and S-adenosylmethionine:2-DMK methyltransferase resulting in a s-adenosylhomocysteine, a hydrogen ion and a 6-methoxy-3-methyl-2-all-trans-octaprenyl-1,4-benzoquinol. The 6-methoxy-3-methyl-2-all-trans-octaprenyl-1,4-benzoquinol. interacts with a reduced acceptor, an oxygen molecule through a 2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquinone hydroxylase resulting in the release of a water molecule, an oxidized electron acceptor and a 3-demethylubiquinol-8. The latter compound then interacts with a S-adenosylmethionine through a bifunctional 3-demethylubiquinone-8 3-O-methyltransferase and 2-octaprenyl-6-hydroxyphenol methylase resulting in a hydrogen ion, a S-adenosylhomocysteine and a ubiquinol 8.
</description>
      <pathwhiz_id>PW000981</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>Secondary metabolites: methylerythritol phosphate and polyisoprenoid biosynthesis</name>
      <description>The biosynthesis of isoprenoids starts with a D-glyceraldehyde 3-phosphate interacting with a hydrogen ion through a 1-deoxyxylulose-5-phosphate synthase resulting in a carbon dioxide and 1-Deoxy-D-xylulose. The latter compound then interacts with a hydrogen ion through a NADPH driven 1-deoxy-D-xylulose 5-phosphate reductoisomerase resulting in a NADP and a 2-C-methyl-D-erythritol 4-phosphate. The latter compound then interacts with a cytidine triphosphate and a hydrogen ion through a 4-diphosphocytidyl-2C-methyl-D-erythritol synthase resulting in a pyrophosphate and a 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol. The latter compound is then phosphorylated through an ATP driven 
4-diphosphocytidyl-2-C-methylerythritol kinase resulting in a release of an ADP, a hydrogen ion and a 2-phospho-4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol. The latter compound then interacts with a 
2C-methyl-D-erythritol 2,4-cyclodiphosphate synthase  resulting in the release of a 2-C-methyl-D-erythritol-2,4-cyclodiphosphate resulting in the release of a cytidine monophosphate and 2-C-methyl-D-erythritol-2,4-cyclodiphosphate. The latter compound then interacts with a reduced flavodoxin through a 
1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate synthase  resulting in the release of a water molecule, a hydrogen ion, an oxidized flavodoxin and a 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate. 
The compound 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate can interact with an NADPH,a hydrogen ion through a 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate reductase  resulting in a NADP, a water molecule and either a Dimethylallylpyrophosphate or a Isopentenyl pyrophosphate. These two last compounds can be are isomers that can be produced through a isopentenyl diphosphate isomerase.
Dimethylallylpyrophosphate interacts with the isopentenyl pyrophosphate through a geranyl diphosphate synthase / farnesyl diphosphate synthase resulting in a pyrophosphate and a geranyl--PP. The latter compound interacts with a Isopentenyl pyrophosphate through a geranyl diphosphate synthase / farnesyl diphosphate synthase resulting in the release of a pyrophosphate and a farnesyl pyrophosphate. The latter compound interacts with isopentenyl pyrophosphate either through a undecaprenyl diphosphate synthase resulting in a release of a pyrophosphate and a di-trans,octa-cis-undecaprenyl diphosphate or through a octaprenyl diphosphate synthase resulting in a pyrophosphate and an octaprenyl diphosphate</description>
      <pathwhiz_id>PW000958</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>Secondary Metabolites: Ubiquinol biosynthesis 2</name>
      <description>The biosynthesis of ubiquinol starts the interaction of 4-hydroxybenzoic acid interacting with an octaprenyl diphosphate. The former compound comes from the chorismate interacting with a chorismate lyase resulting in the release of a pyruvic acid and a 4-hydroxybenzoic acid. On the other hand, the latter compound, octaprenyl diphosphate is the result of a farnesyl pyrophosphate interacting with an isopentenyl pyrophosphate through an octaprenyl diphosphate synthase resulting in the release of a pyrophosphate and an octaprenyl diphosphate. The 4-hydroxybenzoic acid interacts with octaprenyl diphosphate through a 4-hydroxybenzoate octaprenyltransferase resulting in the release of a pyrophosphate and a 3-octaprenyl-4-hydroxybenzoate. The latter compound then interacts with a hydrogen ion through a 3-octaprenyl-4-hydroxybenzoate carboxy-lyase resulting in the release of a carbon dioxide and a 2-octaprenylphenol. The latter compound interacts with an oxygen molecule and a hydrogen ion through a NADPH driven 2-octaprenylphenol hydroxylase resulting in a NADP, a water molecule and a 2-octaprenyl-6-hydroxyphenol. The 2-octaprenyl-6-hydroxyphenol interacts with an S-adenosylmethionine through a bifunctional 3-demethylubiquinone-8 3-O-methyltransferase and 2-octaprenyl-6-hydroxyphenol methylase resulting in the release of a hydrogen ion, an s-adenosylhomocysteine and a 2-methoxy-6-(all-trans-octaprenyl)phenol. The latter compound then interacts with an oxygen molecule and a hydrogen ion through a NADPH driven 2-octaprenyl-6-methoxyphenol hydroxylase resulting in a NADP, a water molecule and a 2-methoxy-6-all trans-octaprenyl-2-methoxy-1,4-benzoquinol. The latter compound interacts with a S-adenosylmethionine through a bifunctional 2-octaprenyl-6-methoxy-1,4-benzoquinone methylase and S-adenosylmethionine:2-DMK methyltransferase resulting in a s-adenosylhomocysteine, a hydrogen ion and a 6-methoxy-3-methyl-2-all-trans-octaprenyl-1,4-benzoquinol. The 6-methoxy-3-methyl-2-all-trans-octaprenyl-1,4-benzoquinol. interacts with a reduced acceptor, an oxygen molecule through a 2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquinone hydroxylase resulting in the release of a water molecule, an oxidized electron acceptor and a 3-demethylubiquinol-8. The latter compound then interacts with a S-adenosylmethionine through a bifunctional 3-demethylubiquinone-8 3-O-methyltransferase and 2-octaprenyl-6-hydroxyphenol methylase resulting in a hydrogen ion, a S-adenosylhomocysteine and a ubiquinol 8.</description>
      <pathwhiz_id>PW002036</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>59767</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288315</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288316</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288317</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288318</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288319</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288320</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288321</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288322</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288323</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288324</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288325</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288326</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288327</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288328</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288329</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288330</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288331</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288332</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288333</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>288334</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>24383</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>24384</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>24385</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>30941</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>30942</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>30943</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2773802</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2773803</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2773804</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2905524</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2905525</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2905526</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB01094</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id>4444251</chemspider_id>
  <kegg_id>C04146</kegg_id>
  <chebi_id>16275</chebi_id>
  <biocyc_id>CPD-9454</biocyc_id>
  <het_id>OTP</het_id>
  <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>Okada K, Suzuki K, Kamiya Y, Zhu X, Fujisaki S, Nishimura Y, Nishino T, Nakagawa T, Kawamukai M, Matsuda H: Polyprenyl diphosphate synthase essentially defines the length of the side chain of ubiquinone. Biochim Biophys Acta. 1996 Aug 16;1302(3):217-23.</reference_text>
      <pubmed_id>8765142</pubmed_id>
    </reference>
  </general_references>
  <synthesis_reference/>
  <msds_url/>
  <enzymes>
    <enzyme>
      <name>1,4-dihydroxy-2-naphthoate octaprenyltransferase</name>
      <uniprot_id>P32166</uniprot_id>
      <uniprot_name>MENA_ECOLI</uniprot_name>
      <gene_name>menA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P32166.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>4-hydroxybenzoate octaprenyltransferase</name>
      <uniprot_id>P0AGK1</uniprot_id>
      <uniprot_name>UBIA_ECOLI</uniprot_name>
      <gene_name>ubiA</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AGK1.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Octaprenyl-diphosphate synthase</name>
      <uniprot_id>P0AD57</uniprot_id>
      <uniprot_name>ISPB_ECOLI</uniprot_name>
      <gene_name>ispB</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AD57.xml</protein_url>
    </enzyme>
  </enzymes>
  <transporters>
  </transporters>
  <reactions>
    <reaction_text>Farnesyl pyrophosphate + 5 Isopentenyl pyrophosphate &lt;&gt; Octaprenyl diphosphate +5 Pyrophosphate</reaction_text>
    <kegg_reaction_id>R09248</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>1,4-Dihydroxy-2-naphthoic acid + Hydrogen ion + Octaprenyl diphosphate &gt; 2-Demethylmenaquinol 8 + Carbon dioxide + Pyrophosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>4-Hydroxybenzoic acid + Octaprenyl diphosphate &gt; 3-Octaprenyl-4-hydroxybenzoate + Pyrophosphate</reaction_text>
    <kegg_reaction_id>R05615</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Octaprenyl diphosphate + 4-Hydroxybenzoic acid &lt;&gt; 3-Octaprenyl-4-hydroxybenzoate + Pyrophosphate</reaction_text>
    <kegg_reaction_id>R05615</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>1,4-Dihydroxy-2-naphthoic acid + Octaprenyl diphosphate &lt;&gt; 2-Demethylmenaquinone 8 + Pyrophosphate + Carbon dioxide</reaction_text>
    <kegg_reaction_id>R05617</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Farnesyl pyrophosphate + 5 Isopentenyl pyrophosphate &gt;5 Pyrophosphate + Octaprenyl diphosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>4-Hydroxybenzoic acid + Octaprenyl diphosphate &gt; 3-Octaprenyl-4-hydroxybenzoate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Farnesyl pyrophosphate + 5 Isopentenyl pyrophosphate + Farnesyl pyrophosphate + 5 Isopentenyl pyrophosphate &gt;5 Pyrophosphate + Octaprenyl diphosphate + Octaprenyl diphosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R003699</pw_reaction_id>
    <reaction_text>4-Hydroxybenzoic acid + Octaprenyl diphosphate + Octaprenyl diphosphate &gt; Pyrophosphate + 3-Octaprenyl-4-hydroxybenzoate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R003716</pw_reaction_id>
    <reaction_text>Octaprenyl diphosphate + 1,4-dihydroxy-2-naphthoate + Hydrogen ion + Octaprenyl diphosphate + 1,4-Dihydroxy-2-naphthoyl-CoA &gt; Carbon dioxide + Pyrophosphate + 2-Demethylmenaquinol 8</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R005237</pw_reaction_id>
    <reaction_text>Farnesyl pyrophosphate + 5 Isopentenyl pyrophosphate &lt;&gt; Octaprenyl diphosphate +5 Pyrophosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>4 4-Hydroxybenzoic acid + Octaprenyl diphosphate &gt;3 3-Octaprenyl-4-hydroxybenzoate + Pyrophosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
  </reactions>
  <concentrations>
  </concentrations>
</compound>
