<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 22:33:31 UTC</creation_date>
  <update_date>2020-06-04 19:34:59 UTC</update_date>
  <accession>BMDB0000608</accession>
  <secondary_accessions>
    <accession>BMDB00608</accession>
  </secondary_accessions>
  <name>Cobalt</name>
  <description>Cobalt, also known as co(ii) or cobalt(2+) ion, belongs to the class of inorganic compounds known as homogeneous transition metal compounds. These are inorganic compounds containing only metal atoms,with the largest atom being a transition metal atom. Cobalt exists as a solid, possibly soluble (in water), and possibly neutral molecule. Cobalt exists in all living organisms, ranging from bacteria to humans. Cobalt is a potentially toxic compound.</description>
  <synonyms>
    <synonym>Co(II)</synonym>
    <synonym>CO2+</synonym>
    <synonym>Co(2+)</synonym>
    <synonym>COBALT (II) ion</synonym>
    <synonym>Cobalt(2+) ion</synonym>
    <synonym>Cobalt(II) cation</synonym>
    <synonym>Cobaltous ion</synonym>
    <synonym>Cobalt(2+)</synonym>
    <synonym>Aquacat</synonym>
    <synonym>Co</synonym>
    <synonym>Cobalt-59</synonym>
    <synonym>Cobatope-57</synonym>
    <synonym>Kobalt</synonym>
    <synonym>Super cobalt</synonym>
  </synonyms>
  <chemical_formula>Co</chemical_formula>
  <average_molecular_weight>58.9332</average_molecular_weight>
  <monisotopic_moleculate_weight>58.933200194</monisotopic_moleculate_weight>
  <iupac_name>lambda2-cobalt(2+) ion</iupac_name>
  <traditional_iupac>lambda2-cobalt(2+) ion</traditional_iupac>
  <cas_registry_number>22541-53-3</cas_registry_number>
  <smiles>[Co++]</smiles>
  <inchi>InChI=1S/Co/q+2</inchi>
  <inchikey>XLJKHNWPARRRJB-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of inorganic compounds known as homogeneous transition metal compounds. These are inorganic compounds containing only metal atoms,with the largest atom being a transition metal atom.</description>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Homogeneous metal compounds</super_class>
    <class>Homogeneous transition metal compounds</class>
    <sub_class/>
    <direct_parent>Homogeneous transition metal compounds</direct_parent>
    <alternative_parents>
    </alternative_parents>
    <substituents>
      <substituent>Homogeneous transition metal</substituent>
    </substituents>
    <molecular_framework/>
    <external_descriptors>
      <external_descriptor>a cation</external_descriptor>
      <external_descriptor>cobalt cation</external_descriptor>
      <external_descriptor>divalent metal cation</external_descriptor>
      <external_descriptor>monoatomic dication</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
    <property>
      <kind>melting_point</kind>
      <value>1495 °C</value>
      <source/>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>0.23</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>3.09</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>lambda2-cobalt(2+) ion</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>58.9332</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>58.933200194</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>[Co++]</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>Co</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/Co/q+2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>XLJKHNWPARRRJB-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>1.78</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>physiological_charge</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formal_charge</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>number_of_rings</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>bioavailability</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rule_of_five</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>ghose_filter</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>veber_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mddr_like_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>100968</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>100969</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>100970</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>166446</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>166447</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>166448</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Epidermis</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Kidney</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Liver</biospecimen>
      <concentration_value>0.8 +/- 0.2</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>By ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Aidin Foroutan, Carolyn Fitzsimmons, Rupasri Mandal, Hamed Piri‐Moghadam, Jiamin Zheng, AnChi Guo, Carin Li, Le Luo Guan and David S. Wishart. The Bovine Metabolome. Metabolites 2020, 10, 233; doi:10.3390/metabo10060233</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Longissimus Thoracis Muscle</biospecimen>
      <concentration_value>0.02 +/- 0.01</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>By ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Aidin Foroutan, Carolyn Fitzsimmons, Rupasri Mandal, Hamed Piri‐Moghadam, Jiamin Zheng, AnChi Guo, Carin Li, Le Luo Guan and David S. Wishart. The Bovine Metabolome. Metabolites 2020, 10, 233; doi:10.3390/metabo10060233</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.04 - 0.08</concentration_value>
      <concentration_units>uM</concentration_units>
      <references>
        <reference>
          <reference_text>Z. Dobrzañski et al. The Content of Microelements and Trace Elements in Raw Milk from Cows in the Silesian Region. Polish Journal of Environmental Studies Vol. 14, No 5 (2005), 685-689</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.02 +/- 0.01</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>1% milk by ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Foroutan A, Guo AC, Vazquez-Fresno R, Lipfert M, Zhang L, Zheng J, Badran H, Budinski Z, Mandal R, Ametaj BN, Wishart DS: Chemical Composition of Commercial Cow's Milk. J Agric Food Chem. 2019 Apr 17. doi: 10.1021/acs.jafc.9b00204.</reference_text>
          <pubmed_id>30994344</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.02 +/- 0.01</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>2% milk by ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Foroutan A, Guo AC, Vazquez-Fresno R, Lipfert M, Zhang L, Zheng J, Badran H, Budinski Z, Mandal R, Ametaj BN, Wishart DS: Chemical Composition of Commercial Cow's Milk. J Agric Food Chem. 2019 Apr 17. doi: 10.1021/acs.jafc.9b00204.</reference_text>
          <pubmed_id>30994344</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.03 +/- 0.01</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>3.25% milk by ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Foroutan A, Guo AC, Vazquez-Fresno R, Lipfert M, Zhang L, Zheng J, Badran H, Budinski Z, Mandal R, Ametaj BN, Wishart DS: Chemical Composition of Commercial Cow's Milk. J Agric Food Chem. 2019 Apr 17. doi: 10.1021/acs.jafc.9b00204.</reference_text>
          <pubmed_id>30994344</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.03 +/- 0.01</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Skim milk by ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Foroutan A, Guo AC, Vazquez-Fresno R, Lipfert M, Zhang L, Zheng J, Badran H, Budinski Z, Mandal R, Ametaj BN, Wishart DS: Chemical Composition of Commercial Cow's Milk. J Agric Food Chem. 2019 Apr 17. doi: 10.1021/acs.jafc.9b00204.</reference_text>
          <pubmed_id>30994344</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0197 +/- 0.000679</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>full cream, 3.8% milk by ICP-MS. Samples were sonicated inside an ultrasound water bath for 10 min. </comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0390 +/- 0.00170</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Skim milk by ICP-MS. Samples were sonicated inside an ultrasound water bath for 10 min. </comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0210 +/- 0.000509</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>full cream, 3.8% milk by ICP-MS.  Samples were analyzed after a microwave-assisted digestion</comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0373 +/- 0.00339</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Skim milk by ICP-MS. Samples were analyzed after a microwave-assisted digestion</comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0176 +/- 0.00136</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>full cream, 3.8% milk by ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0209 +/- 0.000679</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Skim milk by ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0876 - 0.142</concentration_value>
      <concentration_units>uM</concentration_units>
      <references>
        <reference>
          <reference_text>Z. Dobrzański, R. Kołacz, H. Górecka, K. Chojnacka, A. Bartkowiak. 2005. The Content of Microelements and Trace Elements in Raw Milk from Cows in the Silesian Region. Pol. J. Environ. Stud. 14(5):685–689</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Ruminal Fluid</biospecimen>
      <concentration_value>1 +/- 0.2</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>By ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Aidin Foroutan, Carolyn Fitzsimmons, Rupasri Mandal, Hamed Piri‐Moghadam, Jiamin Zheng, AnChi Guo, Carin Li, Le Luo Guan and David S. Wishart. The Bovine Metabolome. Metabolites 2020, 10, 233; doi:10.3390/metabo10060233</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Semimembranosus Muscle</biospecimen>
      <concentration_value>0.022 +/- 0.003</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>By ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Aidin Foroutan, Carolyn Fitzsimmons, Rupasri Mandal, Hamed Piri‐Moghadam, Jiamin Zheng, AnChi Guo, Carin Li, Le Luo Guan and David S. Wishart. The Bovine Metabolome. Metabolites 2020, 10, 233; doi:10.3390/metabo10060233</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Testis</biospecimen>
      <concentration_value>0.05 +/- 0.01</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>By ICP-MS</comment>
      <references>
        <reference>
          <reference_text>Aidin Foroutan, Carolyn Fitzsimmons, Rupasri Mandal, Hamed Piri‐Moghadam, Jiamin Zheng, AnChi Guo, Carin Li, Le Luo Guan and David S. Wishart. The Bovine Metabolome. Metabolites 2020, 10, 233; doi:10.3390/metabo10060233</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
  </normal_concentrations>
  <chemspider_id>94546</chemspider_id>
  <foodb_id>FDB003581</foodb_id>
  <kegg_id>C00175</kegg_id>
  <pubchem_compound_id>104729</pubchem_compound_id>
  <chebi_id>48828</chebi_id>
  <drugbank_id/>
  <pdbe_id/>
  <meta_cyc_id/>
  <phenol_explorer_compound_id/>
  <knapsack_id/>
  <bigg_id/>
  <wikipedia_id>Cobalt</wikipedia_id>
  <metlin_id/>
  <synthesis_reference/>
  <general_references>
    <reference>
      <reference_text>Z. Dobrzañski et al. The Content of Microelements and Trace Elements in Raw Milk from Cows in the Silesian Region. Polish Journal of Environmental Studies Vol. 14, No 5 (2005), 685-689</reference_text>
    </reference>
    <reference>
      <reference_text>A. Foroutan et al. The Chemical Composition of Commercial Cow's Milk (in preparation)</reference_text>
    </reference>
    <reference>
      <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
    </reference>
    <reference>
      <reference_text>Z. Dobrzański, R. Kołacz, H. Górecka, K. Chojnacka, A. Bartkowiak. 2005. The Content of Microelements and Trace Elements in Raw Milk from Cows in the Silesian Region. Pol. J. Environ. Stud. 14(5):685–689</reference_text>
    </reference>
  </general_references>
  <protein_associations>
    <protein>
      <protein_accession>BMDBP00174</protein_accession>
      <name>S-adenosylmethionine synthase</name>
      <uniprot_id>A7E3T7</uniprot_id>
      <gene_name>MAT2A</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00177</protein_accession>
      <name>Ectonucleotide pyrophosphatase/phosphodiesterase family member 2</name>
      <uniprot_id>A1A4K5</uniprot_id>
      <gene_name>ENPP2</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00387</protein_accession>
      <name>Triokinase/FMN cyclase</name>
      <uniprot_id>Q58DK4</uniprot_id>
      <gene_name>TKFC</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00403</protein_accession>
      <name>S-adenosylmethionine synthase isoform type-1</name>
      <uniprot_id>Q2KJC6</uniprot_id>
      <gene_name>MAT1A</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00414</protein_accession>
      <name>Methionine synthase</name>
      <uniprot_id>Q4JIJ3</uniprot_id>
      <gene_name>MTR</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00434</protein_accession>
      <name>cGMP-specific 3',5'-cyclic phosphodiesterase</name>
      <uniprot_id>Q28156</uniprot_id>
      <gene_name>PDE5A</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00444</protein_accession>
      <name>U8 snoRNA-decapping enzyme</name>
      <uniprot_id>A1A4Q9</uniprot_id>
      <gene_name>NUDT16</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00477</protein_accession>
      <name>Bis(5'-adenosyl)-triphosphatase</name>
      <uniprot_id>Q1KZG4</uniprot_id>
      <gene_name>FHIT</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00623</protein_accession>
      <name>Methylmalonyl-CoA mutase, mitochondrial</name>
      <uniprot_id>Q9GK13</uniprot_id>
      <gene_name>MMUT</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00794</protein_accession>
      <name>Methionine aminopeptidase</name>
      <uniprot_id>Q862K9</uniprot_id>
      <gene_name/>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00795</protein_accession>
      <name>Methionine aminopeptidase 1</name>
      <uniprot_id>A6QLA4</uniprot_id>
      <gene_name>METAP1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00796</protein_accession>
      <name>Methionine aminopeptidase</name>
      <uniprot_id>Q2HJ25</uniprot_id>
      <gene_name>METAP1D</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00797</protein_accession>
      <name>Methionine aminopeptidase 2</name>
      <uniprot_id>Q3ZC89</uniprot_id>
      <gene_name>METAP2</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01592</protein_accession>
      <name>LYR motif-containing protein 4</name>
      <uniprot_id>Q0VCG0</uniprot_id>
      <gene_name>LYRM4</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01982</protein_accession>
      <name>Transcobalamin-2</name>
      <uniprot_id>Q9XSC9</uniprot_id>
      <gene_name>TCN2</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01983</protein_accession>
      <name>Methylmalonic aciduria and homocystinuria type C protein homolog</name>
      <uniprot_id>Q5E9C8</uniprot_id>
      <gene_name>MMACHC</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01984</protein_accession>
      <name>Probable lysosomal cobalamin transporter</name>
      <uniprot_id>Q3SYY9</uniprot_id>
      <gene_name>LMBRD1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
  </protein_associations>
</metabolite>
