<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>2.0</version>
  <creation_date>2012-05-31 13:48:23 -0600</creation_date>
  <update_date>2015-09-13 12:56:10 -0600</update_date>
  <accession>ECMDB01256</accession>
  <m2m_id>M2MDB000311</m2m_id>
  <name>Spermine</name>
  <description>Spermine is a biogenic polyamine formed from spermidine. It is found in a wide variety of organisms and tissues and is an essential growth factor in some bacteria. It is found as a polycation at all pH values. Spermine is associated with nucleic acids, particularly in viruses, and is thought to stabilize the helical structure.</description>
  <synonyms>
    <synonym>1,5,10,14-Tetraazatetradecane</synonym>
    <synonym>4,9-Diaza-1,12-dodecanediamine</synonym>
    <synonym>4,9-Diazadodecamethylenediamine</synonym>
    <synonym>4,9-Diazadodecane-1,12-diamine</synonym>
    <synonym>Diaminopropyl-tetramethylenediamine</synonym>
    <synonym>Diaminopropyltetramethylenediamine</synonym>
    <synonym>Gerontine</synonym>
    <synonym>Musculamine</synonym>
    <synonym>N,N'-Bis(3-aminopropyl)-1,4-Butanediamine</synonym>
    <synonym>N,N'-Bis(3-aminopropyl)-1,4-tetramethylenediamine</synonym>
    <synonym>N,N'-Bis(3-aminopropyl)butane-1,4-diamine</synonym>
    <synonym>N1,N4-bis(3-aminopropyl)-1,4-butanediamine</synonym>
    <synonym>Neuridine</synonym>
    <synonym>Spermin</synonym>
    <synonym>Spermine</synonym>
    <synonym>Spermine dihydrate</synonym>
    <synonym>Spermine dihydric acid</synonym>
    <synonym>Spermine puriss</synonym>
    <synonym>SPM</synonym>
  </synonyms>
  <chemical_formula>C10H26N4</chemical_formula>
  <average_molecular_weight>202.3402</average_molecular_weight>
  <monisotopic_moleculate_weight>202.215746852</monisotopic_moleculate_weight>
  <iupac_name>(3-aminopropyl)({4-[(3-aminopropyl)amino]butyl})amine</iupac_name>
  <traditional_iupac>spermine</traditional_iupac>
  <cas_registry_number>71-44-3</cas_registry_number>
  <smiles>NCCCNCCCCNCCCN</smiles>
  <inchi>InChI=1S/C10H26N4/c11-5-3-9-13-7-1-2-8-14-10-4-6-12/h13-14H,1-12H2</inchi>
  <inchikey>PFNFFQXMRSDOHW-UHFFFAOYSA-N</inchikey>
  <state>Solid</state>
  <cellular_locations>
    <cellular_location>Cytoplasm</cellular_location>
    <cellular_location>Periplasm</cellular_location>
  </cellular_locations>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-0.66</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.97</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>2.19e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>29 oC</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>-1.5</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>10.8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>(3-aminopropyl)({4-[(3-aminopropyl)amino]butyl})amine</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>202.3402</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>202.215746852</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>NCCCNCCCCNCCCN</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C10H26N4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C10H26N4/c11-5-3-9-13-7-1-2-8-14-10-4-6-12/h13-14H,1-12H2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>PFNFFQXMRSDOHW-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>76.1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>62.56</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>26.69</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>11</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
    <pathway>
      <name>Glutathione metabolism</name>
      <description>The biosynthesis of glutathione starts with the introduction of L-glutamic acid through either  a glutamate:sodium symporter, glutamate / aspartate : H+ symporter GltP or a 
glutamate / aspartate ABC transporter. Once in the cytoplasm, L-glutamice acid reacts with L-cysteine through an ATP glutamate-cysteine ligase resulting in gamma-glutamylcysteine. This compound reacts which Glycine through an ATP driven glutathione synthetase thus catabolizing Glutathione.
This compound is metabolized through a spontaneous reaction with an oxidized glutaredoxin resulting in a reduced glutaredoxin and an oxidized glutathione. This compound is reduced by a NADPH glutathione reductase resulting in a glutathione. 
</description>
      <pathwhiz_id>PW000833</pathwhiz_id>
      <kegg_map_id>ec00480</kegg_map_id>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>Arginine and proline metabolism</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00330</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>beta-Alanine metabolism</name>
      <description>The Beta-Alanine Metabolism starts with a product of Aspartate metabolism. Aspartate is decarboxylated by aspartate 1-decarboxylase, releasing carbon dioxide and Beta-alanine. Beta alanine is then metabolized through  a pantothenate synthetase resulting in Pantothenic acid undergoes phosphorylation through a ATP driven pantothenate kinase, resulting in D-4-phosphopantothenate.
Pantothenate (vitamin B5) is the universal precursor for the synthesis of the 4'-phosphopantetheine moiety of coenzyme A and acyl carrier protein. Only plants and microorganismscan synthesize pantothenate de novo - animals require a dietary supplement. The enzymes of this pathway are therefore considered to be antimicrobial drug targets.</description>
      <pathwhiz_id>PW000896</pathwhiz_id>
      <kegg_map_id>ec00410</kegg_map_id>
      <subject>Metabolic</subject>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>713</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>714</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>715</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>716</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>717</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>2057</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>2082</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>2104</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>2216</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>3229</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30404</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30405</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30694</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30932</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30933</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31299</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31300</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31301</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31302</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31889</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31890</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31891</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31892</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>166578</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::EiMs</type>
      <spectrum_id>918</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1670</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>4804</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>4805</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146970</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146971</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146972</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146973</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146974</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146975</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146976</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146977</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146978</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146979</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146980</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146981</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146982</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146983</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146984</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146985</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146986</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146987</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146988</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>146989</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1487</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1488</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1489</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5123</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5124</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5125</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5126</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5127</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5128</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5129</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5130</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5131</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5132</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5133</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5134</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5135</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5136</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5137</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5138</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>21233</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>21234</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>21235</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>22784</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>22785</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>22786</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1061</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1611</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB01256</hmdb_id>
  <pubchem_compound_id>1103</pubchem_compound_id>
  <chemspider_id>1072</chemspider_id>
  <kegg_id>C00750</kegg_id>
  <chebi_id>15746</chebi_id>
  <biocyc_id>SPERMINE</biocyc_id>
  <het_id>SPM</het_id>
  <wikipidia>Spermine</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>Vijayendran, C., Barsch, A., Friehs, K., Niehaus, K., Becker, A., Flaschel, E. (2008). "Perceiving molecular evolution processes in Escherichia coli by comprehensive metabolite and gene expression profiling." Genome Biol 9:R72.</reference_text>
      <pubmed_id>18402659</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>Mollica F, Li Volti S, Rapisarda A, Longo G, Pavone L, Vanella A: Increased erythrocytic spermine in Duchenne muscular dystrophy.  Pediatr Res. 1980 Nov;14(11):1196-8.</reference_text>
      <pubmed_id>7454431</pubmed_id>
    </reference>
    <reference>
      <reference_text>Swift TA, Dias JA: Effects of the polyamine spermine on binding of follicle-stimulating hormone to membrane-bound immature bovine testis receptors. Biochim Biophys Acta. 1986 Feb 21;885(2):221-30.</reference_text>
      <pubmed_id>3004602</pubmed_id>
    </reference>
    <reference>
      <reference_text>Cipolla BG, Ziade J, Bansard JY, Moulinoux JP, Staerman F, Quemener V, Lobel B, Guille F: Pretherapeutic erythrocyte polyamine spermine levels discriminate high risk relapsing patients with M1 prostate carcinoma. Cancer. 1996 Sep 1;78(5):1055-65.</reference_text>
      <pubmed_id>8780544</pubmed_id>
    </reference>
    <reference>
      <reference_text>Venza M, Visalli M, Cicciu D, Teti D: Determination of polyamines in human saliva by high-performance liquid chromatography with fluorescence detection. J Chromatogr B Biomed Sci Appl. 2001 Jun 5;757(1):111-7.</reference_text>
      <pubmed_id>11419735</pubmed_id>
    </reference>
    <reference>
      <reference_text>Uehara N, Shirakawa S, Uchino H, Saeki Y: Elevated contents of spermidine and spermine in the erythrocytes of cancer patients. Cancer. 1980 Jan 1;45(1):108-11.</reference_text>
      <pubmed_id>7350997</pubmed_id>
    </reference>
    <reference>
      <reference_text>Jensen PK, Therkelsen AJ: Selective inhibition of fibroblasts by spermine in primary cultures of normal human skin epithelial cells. In Vitro. 1982 Oct;18(10):867-71.</reference_text>
      <pubmed_id>7173947</pubmed_id>
    </reference>
    <reference>
      <reference_text>Loser C, Folsch UR, Paprotny C, Creutzfeldt W: Polyamines in colorectal cancer. Evaluation of polyamine concentrations in the colon tissue, serum, and urine of 50 patients with colorectal cancer. Cancer. 1990 Feb 15;65(4):958-66.</reference_text>
      <pubmed_id>2297664</pubmed_id>
    </reference>
    <reference>
      <reference_text>Proctor MS, Fletcher HV Jr, Shukla JB, Rennert OM: Elevated spermidine and spermine levels in the blood of psoriasis patients. J Invest Dermatol. 1975 Oct;65(4):409-11.</reference_text>
      <pubmed_id>1176793</pubmed_id>
    </reference>
    <reference>
      <reference_text>Lorenz B, Francis F, Gempel K, Boddrich A, Josten M, Schmahl W, Schmidt J, Lehrach H, Meitinger T, Strom TM: Spermine deficiency in Gy mice caused by deletion of the spermine synthase gene. Hum Mol Genet. 1998 Mar;7(3):541-7.</reference_text>
      <pubmed_id>9467015</pubmed_id>
    </reference>
    <reference>
      <reference_text>Hosseinkhani H, Azzam T, Tabata Y, Domb AJ: Dextran-spermine polycation: an efficient nonviral vector for in vitro and in vivo gene transfection. Gene Ther. 2004 Jan;11(2):194-203.</reference_text>
      <pubmed_id>14712304</pubmed_id>
    </reference>
    <reference>
      <reference_text>El Baze P, Milano G, Verrando P, Renee N, Ortonne JP: Polyamine levels in normal human skin. A comparative study of pure epidermis, pure dermis, and suction blister fluid. Arch Dermatol Res. 1983;275(4):218-21.</reference_text>
      <pubmed_id>6625645</pubmed_id>
    </reference>
  </general_references>
  <synthesis_reference>Wrede, Fritz; Strack, Erich; Hettche, Otto.  Spermine. VII.    Z. physiol. Chem.  (1928),  173  61-8. </synthesis_reference>
  <msds_url>http://hmdb.ca/system/metabolites/msds/000/001/124/original/HMDB01256.pdf?1358462311</msds_url>
  <enzymes>
    <enzyme>
      <name>Spermidine synthase</name>
      <uniprot_id>P09158</uniprot_id>
      <uniprot_name>SPEE_ECOLI</uniprot_name>
      <gene_name>speE</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P09158.xml</protein_url>
    </enzyme>
  </enzymes>
  <transporters>
  </transporters>
  <reactions>
    <reaction_text>S-Adenosylmethioninamine + Spermidine &lt;&gt; 5'-Methylthioadenosine + Spermine</reaction_text>
    <kegg_reaction_id>R02869</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
  </reactions>
  <concentrations>
  </concentrations>
</compound>
