<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>2.0</version>
  <creation_date>2012-05-31 10:23:03 -0600</creation_date>
  <update_date>2015-09-13 12:56:06 -0600</update_date>
  <accession>ECMDB00177</accession>
  <m2m_id>M2MDB000074</m2m_id>
  <name>L-Histidine</name>
  <description>Histidine is an amino acid. It is a precursor for histamine and carnosine biosynthesis. The enzyme histidine ammonia-lyase converts histidine into ammonia and urocanic acid. (Wikipedia)</description>
  <synonyms>
    <synonym>&amp;alpha;-amino-4-imidazoleproprionate</synonym>
    <synonym>&amp;alpha;-amino-4-imidazoleproprionic acid</synonym>
    <synonym>(S)-&amp;alpha;-amino-1H-imidazole-4-propanoate</synonym>
    <synonym>(S)-&amp;alpha;-amino-1H-imidazole-4-propanoic acid</synonym>
    <synonym>(S)-1H-Imidazole-4-alanine</synonym>
    <synonym>(S)-2-Amino-3-(4-imidazolyl)propionsaeure</synonym>
    <synonym>(S)-4-(2-Amino-2-carboxyethyl)imidazole</synonym>
    <synonym>(S)-a-Amino-1H-imidazole-4-propanoate</synonym>
    <synonym>(S)-a-Amino-1H-imidazole-4-propanoic acid</synonym>
    <synonym>(S)-a-amino-1H-Imidazole-4-propionate</synonym>
    <synonym>(S)-a-amino-1H-Imidazole-4-propionic acid</synonym>
    <synonym>(S)-alpha-Amino-1H-imidazole-4-propanoate</synonym>
    <synonym>(S)-alpha-Amino-1H-imidazole-4-propanoic acid</synonym>
    <synonym>(S)-alpha-Amino-1H-imidazole-4-propionate</synonym>
    <synonym>(S)-alpha-Amino-1H-imidazole-4-propionic acid</synonym>
    <synonym>(S)-Histidine</synonym>
    <synonym>(S)-α-amino-1H-Imidazole-4-propanoate</synonym>
    <synonym>(S)-α-amino-1H-Imidazole-4-propanoic acid</synonym>
    <synonym>(S)-α-amino-1H-Imidazole-4-propionate</synonym>
    <synonym>(S)-α-amino-1H-Imidazole-4-propionic acid</synonym>
    <synonym>(S)1H-Imidazole-4-alanine</synonym>
    <synonym>3-(1H-Imidazol-4-yl)-L-Alanine</synonym>
    <synonym>a-amino-4-Imidazoleproprionate</synonym>
    <synonym>a-amino-4-Imidazoleproprionic acid</synonym>
    <synonym>Alpha-Amino-4-imidazoleproprionate</synonym>
    <synonym>Alpha-Amino-4-imidazoleproprionic acid</synonym>
    <synonym>Amino-1H-imidazole-4-propanoate</synonym>
    <synonym>Amino-1H-imidazole-4-propanoic acid</synonym>
    <synonym>Amino-4-imidazoleproprionate</synonym>
    <synonym>Amino-4-imidazoleproprionic acid</synonym>
    <synonym>Glyoxaline-5-alanine</synonym>
    <synonym>H</synonym>
    <synonym>His</synonym>
    <synonym>Histidine</synonym>
    <synonym>L-(-)-Histidine</synonym>
    <synonym>α-amino-4-Imidazoleproprionate</synonym>
    <synonym>α-amino-4-Imidazoleproprionic acid</synonym>
  </synonyms>
  <chemical_formula>C6H9N3O2</chemical_formula>
  <average_molecular_weight>155.1546</average_molecular_weight>
  <monisotopic_moleculate_weight>155.069476547</monisotopic_moleculate_weight>
  <iupac_name>(2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid</iupac_name>
  <traditional_iupac>L-histidine</traditional_iupac>
  <cas_registry_number>71-00-1</cas_registry_number>
  <smiles>N[C@@H](CC1=CN=CN1)C(O)=O</smiles>
  <inchi>InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1</inchi>
  <inchikey>HNDVDQJCIGZPNO-YFKPBYRVSA-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>-2.67</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-0.34</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>7.13e+01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>287 oC</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>-3.6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>1.85</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>9.44</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>(2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>155.1546</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>155.069476547</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>N[C@@H](CC1=CN=CN1)C(O)=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C6H9N3O2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>HNDVDQJCIGZPNO-YFKPBYRVSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>92</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>38.06</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>14.67</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
    <pathway>
      <name>Aminoacyl-tRNA biosynthesis</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00970</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Histidine metabolism</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec00340</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>
    <pathway>
      <name>ABC transporters</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>ec02010</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Metabolic pathways</name>
      <description/>
      <pathwhiz_id/>
      <kegg_map_id>eco01100</kegg_map_id>
      <subject/>
    </pathway>
    <pathway>
      <name>Secondary Metabolites: Histidine biosynthesis</name>
      <description>Histidine biosynthesis starts with a product of PRPP biosynthesis pathway, phosphoribosyl pyrophosphate which interacts with a hydrogen ion through an ATP phosphoribosyltransferase resulting in an pyrophosphate and a phosphoribosyl-ATP. This compound interacts with water through a phosphoribosyl-AMP cyclohydrolase / phosphoribosyl-ATP pyrophosphatase resulting in the release of pyrophosphate, hydrogen ion and a phosphoribosyl-AMP. This enzyme proceeds to interact with phosphoribosyl-AMP and water resulting in a 1-(5'-Phosphoribosyl)-5-amino-4-imidazolecarboxamide. This compound is then isomerized by a N-(5'-phospho-L-ribosyl-formimino)-5-amino-1-(5'-phosphoribosyl)-4-imidazolecarboxamide isomerase resulting in a PhosphoribosylformiminoAICAR-phosphate. This compound reacts with L-glutamine through an imidazole glycerol phosphate synthase resulting in a L-glutamic acid, hydrogen ion, 5-aminoimidazole-4-carboxamide and a D-erythro-imidazole-glycerol-phosphate. This compound reacts with a imidazoleglycerol-phosphate dehydratase / histidinol-phosphatase, dehydrating the compound and resulting in a imidazole acetol-phosphate.
This compound interacts with L-glutamic acid through a histidinol-phosphate aminotransferase, releasing oxoglutaric acid and L-histidinol-phosphate. The latter compound interacts with water and a imidazoleglycerol-phosphate dehydratase / histidinol-phosphatase resulting in L-histidinol and phosphate. L-histidinol interacts with a NAD-driven histidinol dehydrogenase resulting in a Histidinal. This in turn reacts with water in a NAD driven histidinal dehydrogenase resulting in L-Histidine.
L-Histidine then represses ATP phosphoribosyltransferase, regulation its own biosynthesis.</description>
      <pathwhiz_id>PW000984</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>histidine biosynthesis</name>
      <description>Histidine biosynthesis starts with a product of PRPP biosynthesis pathway, phosphoribosyl pyrophosphate which interacts with a hydrogen ion through an ATP phosphoribosyltransferase resulting in an pyrophosphate and a phosphoribosyl-ATP. This compound interacts with water through a phosphoribosyl-AMP cyclohydrolase / phosphoribosyl-ATP pyrophosphatase resulting in the release of pyrophosphate, hydrogen ion and a phosphoribosyl-AMP. This enzyme proceeds to interact with phosphoribosyl-AMP and water resulting in a 1-(5'-Phosphoribosyl)-5-amino-4-imidazolecarboxamide. This compound is then isomerized by a N-(5'-phospho-L-ribosyl-formimino)-5-amino-1-(5'-phosphoribosyl)-4-imidazolecarboxamide isomerase resulting in a PhosphoribosylformiminoAICAR-phosphate. This compound reacts with L-glutamine through an imidazole glycerol phosphate synthase resulting in a L-glutamic acid, hydrogen ion, 5-aminoimidazole-4-carboxamide and a D-erythro-imidazole-glycerol-phosphate. This compound reacts with a imidazoleglycerol-phosphate dehydratase / histidinol-phosphatase, dehydrating the compound and resulting in a imidazole acetol-phosphate.
This compound interacts with L-glutamic acid through a histidinol-phosphate aminotransferase, releasing oxoglutaric acid and L-histidinol-phosphate. The latter compound interacts with water and a imidazoleglycerol-phosphate dehydratase / histidinol-phosphatase resulting in L-histidinol and phosphate. L-histidinol interacts with a NAD-driven histidinol dehydrogenase resulting in a Histidinal. This in turn reacts with water in a NAD driven histidinal dehydrogenase resulting in L-Histidine.
L-Histidine then represses ATP phosphoribosyltransferase, regulation its own biosynthesis.</description>
      <pathwhiz_id>PW000810</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>tRNA Charging 2</name>
      <description>This pathway groups together all E. coli tRNA charging reactions.</description>
      <pathwhiz_id>PW000803</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>tRNA charging</name>
      <description>This pathway groups together all E. coli tRNA charging reactions.</description>
      <pathwhiz_id>PW000799</pathwhiz_id>
      <kegg_map_id/>
      <subject>Metabolic</subject>
    </pathway>
    <pathway>
      <name>tRNA charging</name>
      <ecocyc_pathway_id>TRNA-CHARGING-PWY</ecocyc_pathway_id>
    </pathway>
    <pathway>
      <name>histidine biosynthesis</name>
      <ecocyc_pathway_id>HISTSYN-PWY</ecocyc_pathway_id>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>416</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>417</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>418</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>419</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1646</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1833</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>3063</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30203</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30309</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30596</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30739</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30768</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31051</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31052</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31961</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31962</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>37340</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>157409</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1052791</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1052793</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1052795</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1052797</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1052799</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::EiMs</type>
      <spectrum_id>1976</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1146</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1193</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142730</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142731</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142732</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142733</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142734</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142735</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142736</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142737</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142738</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142739</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142740</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142741</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142742</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142743</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142744</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142745</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142746</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142747</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142748</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>142749</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>166370</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>166434</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>166541</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>283</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>284</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>285</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3351</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3352</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3353</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3354</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3355</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3356</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3357</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3358</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3359</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3360</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3361</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3362</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3363</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3364</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3365</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3366</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3367</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3368</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3369</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3370</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3371</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3372</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1189</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB00177</hmdb_id>
  <pubchem_compound_id>6274</pubchem_compound_id>
  <chemspider_id>6038</chemspider_id>
  <kegg_id>C00135</kegg_id>
  <chebi_id>15971</chebi_id>
  <biocyc_id>HIS</biocyc_id>
  <het_id>HIS_LFZW_DHE2</het_id>
  <wikipidia>L-Histidine</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>
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  </general_references>
  <synthesis_reference>Aurelio Luigi; Brownlee Robert T C; Hughes Andrew B  A novel synthesis of N-methyl asparagine, arginine, histidine, and tryptophan.    Organic letters  (2002),  4(21),  3767-9.</synthesis_reference>
  <msds_url>http://hmdb.ca/system/metabolites/msds/000/000/126/original/HMDB00177.pdf?1358894676</msds_url>
  <enzymes>
    <enzyme>
      <name>Histidinol dehydrogenase</name>
      <uniprot_id>P06988</uniprot_id>
      <uniprot_name>HISX_ECOLI</uniprot_name>
      <gene_name>hisD</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P06988.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Histidine transport ATP-binding protein hisP</name>
      <uniprot_id>P07109</uniprot_id>
      <uniprot_name>HISP_ECOLI</uniprot_name>
      <gene_name>hisP</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P07109.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Histidyl-tRNA synthetase</name>
      <uniprot_id>P60906</uniprot_id>
      <uniprot_name>SYH_ECOLI</uniprot_name>
      <gene_name>hisS</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P60906.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Histidine transport system permease protein hisM</name>
      <uniprot_id>P0AEU3</uniprot_id>
      <uniprot_name>HISM_ECOLI</uniprot_name>
      <gene_name>hisM</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AEU3.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Histidine transport system permease protein hisQ</name>
      <uniprot_id>P52094</uniprot_id>
      <uniprot_name>HISQ_ECOLI</uniprot_name>
      <gene_name>hisQ</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P52094.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Histidine-binding periplasmic protein</name>
      <uniprot_id>P0AEU0</uniprot_id>
      <uniprot_name>HISJ_ECOLI</uniprot_name>
      <gene_name>hisJ</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AEU0.xml</protein_url>
    </enzyme>
  </enzymes>
  <transporters>
    <enzyme>
      <name>Histidine transport ATP-binding protein hisP</name>
      <uniprot_id>P07109</uniprot_id>
      <uniprot_name>HISP_ECOLI</uniprot_name>
      <gene_name>hisP</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P07109.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Uncharacterized amino-acid ABC transporter ATP-binding protein yecC</name>
      <uniprot_id>P37774</uniprot_id>
      <uniprot_name>YECC_ECOLI</uniprot_name>
      <gene_name>yecC</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P37774.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Inner membrane amino-acid ABC transporter permease protein yecS</name>
      <uniprot_id>P0AFT2</uniprot_id>
      <uniprot_name>YECS_ECOLI</uniprot_name>
      <gene_name>yecS</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AFT2.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Histidine transport system permease protein hisM</name>
      <uniprot_id>P0AEU3</uniprot_id>
      <uniprot_name>HISM_ECOLI</uniprot_name>
      <gene_name>hisM</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AEU3.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Aromatic amino acid transport protein AroP</name>
      <uniprot_id>P15993</uniprot_id>
      <uniprot_name>AROP_ECOLI</uniprot_name>
      <gene_name>aroP</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P15993.xml</protein_url>
    </enzyme>
    <enzyme>
      <name>Histidine transport system permease protein hisQ</name>
      <uniprot_id>P52094</uniprot_id>
      <uniprot_name>HISQ_ECOLI</uniprot_name>
      <gene_name>hisQ</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P52094.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>Histidine-binding periplasmic protein</name>
      <uniprot_id>P0AEU0</uniprot_id>
      <uniprot_name>HISJ_ECOLI</uniprot_name>
      <gene_name>hisJ</gene_name>
      <protein_url>http://ecmdb.ca/proteins/P0AEU0.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>Adenosine triphosphate + Water + L-Histidine &gt; ADP + Hydrogen ion + L-Histidine + Phosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>ABC-14-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + Water + L-Histidine &gt; ADP + Hydrogen ion + L-Histidine + Phosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>ABC-14-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Water + L-Histidinol + 2 NAD &gt;3 Hydrogen ion + L-Histidine +2 NADH</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + L-Histidine + tRNA(His) + tRNA(His) &lt;&gt; Adenosine monophosphate + L-Histidyl-tRNA(His) + Pyrophosphate + L-Histidyl-tRNA(His)</reaction_text>
    <kegg_reaction_id>R03655</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>L-Histidinal + Water + NAD &lt;&gt; L-Histidine + NADH + Hydrogen ion</reaction_text>
    <kegg_reaction_id>R01163</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + L-Histidine + tRNA(His) &lt;&gt; Adenosine monophosphate + Pyrophosphate + L-Histidyl-tRNA(His)</reaction_text>
    <kegg_reaction_id>R03655</kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + L-Histidine + Water &gt; ADP + Phosphate + L-Histidine + Hydrogen ion</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>ABC-14-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + L-Histidine + Water &gt; ADP + Phosphate + L-Histidine + Hydrogen ion</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>ABC-14-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>histidinal + NAD + Water &gt; Hydrogen ion + L-Histidine + NADH</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>HISTALDEHYD-RXN</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>ala-his + Water &gt; L-Alanine + L-Histidine</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id>RXN0-6978</ecocyc_id>
    <pw_reaction_id/>
    <reaction_text>L-Histidinol + Water + 2 NAD &gt; L-Histidine +2 NADH</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + L-Histidine + tRNA(His) &gt; Adenosine monophosphate + Pyrophosphate + L-histidyl-tRNA(His)</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>L-Histidinol + 2 NAD + Water &lt;&gt; L-Histidine +2 NADH +3 Hydrogen ion</reaction_text>
    <kegg_reaction_id>R01158 </kegg_reaction_id>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>L-Histidine + Adenosine triphosphate + Hydrogen ion + tRNA(His) + L-Histidine &gt; Adenosine monophosphate + Pyrophosphate + L-histidyl-tRNA(His)</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R002839</pw_reaction_id>
    <reaction_text>Water + NAD + Histidinal &gt;2 Hydrogen ion + NADH + L-Histidine + L-Histidine</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_R002874</pw_reaction_id>
    <reaction_text>L-Histidine + Adenosine triphosphate + Water + L-Histidine &gt; Adenosine diphosphate + Phosphate + Hydrogen ion + L-Histidine + ADP</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id>PW_RCT000109</pw_reaction_id>
    <reaction_text>Adenosine triphosphate + L-Histidine + tRNA(His) &lt;&gt; Adenosine monophosphate + L-Histidyl-tRNA(His) + Pyrophosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>L-Histidinal + Water + NAD &lt;&gt; L-Histidine + NADH + Hydrogen ion</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
    <reaction_text>Adenosine triphosphate + L-Histidine + tRNA(His) &lt;&gt; Adenosine monophosphate + L-Histidyl-tRNA(His) + Pyrophosphate</reaction_text>
    <kegg_reaction_id/>
    <ecocyc_id/>
    <pw_reaction_id/>
  </reactions>
  <concentrations>
    <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>67.6</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>270400</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>175.0</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>700000</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>97.5</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>390000</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>52.4</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>209600</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>
    <growth_media>Luria-Bertani (LB) media</growth_media>
    <growth_system>Shake flask</growth_system>
    <concentration>235.33</concentration>
    <concentration_units>uM</concentration_units>
    <internal>true</internal>
    <error>25.7</error>
    <temperature>37 oC</temperature>
    <strain>BL21 DE3</strain>
    <growth_status>Stationary phase cultures (overnight culture)</growth_status>
    <molecules>941333</molecules>
    <molecules_error>102788</molecules_error>
    <reference>
      <reference_text>Lin, Z., Johnson, L. C., Weissbach, H., Brot, N., Lively, M. O., Lowther, W. T. (2007). "Free methionine-(R)-sulfoxide reductase from Escherichia coli reveals a new GAF domain function." Proc Natl Acad Sci U S A 104:9597-9602.</reference_text>
      <pubmed_id>17535911</pubmed_id>
    </reference>
    <growth_media>Luria-Bertani (LB) media</growth_media>
    <growth_system>Shake flask</growth_system>
    <concentration>0.22</concentration>
    <concentration_units>uM</concentration_units>
    <internal>true</internal>
    <error>0.01</error>
    <temperature>37 oC</temperature>
    <strain>BL21 DE3</strain>
    <growth_status>Stationary phase cultures (overnight culture)</growth_status>
    <molecules>871</molecules>
    <molecules_error>34</molecules_error>
    <reference>
      <reference_text>Lin, Z., Johnson, L. C., Weissbach, H., Brot, N., Lively, M. O., Lowther, W. T. (2007). "Free methionine-(R)-sulfoxide reductase from Escherichia coli reveals a new GAF domain function." Proc Natl Acad Sci U S A 104:9597-9602.</reference_text>
      <pubmed_id>17535911</pubmed_id>
    </reference>
  </concentrations>
</compound>
