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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:132486 term browser browse the term
Definition:A deuterated compound that is lysne in which the methylene hydrogens at positions 4, 4, 5 and 5 have been replaced by deuterium.
Synonyms:exact_synonym: (4,4,5,5-(2)H4)lysine
 related_synonym: 4,4,5,5-tetradeuterolysine;   Formula=C6H14N2O2;   InChI=1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10)/i1D2,2D2;   InChIKey=KDXKERNSBIXSRK-LNLMKGTHSA-N;   SMILES=C(C(CN)([2H])[2H])(CC(C(=O)O)N)([2H])[2H]
 xref: Chemspider:17341139;   Reaxys:10157516

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 20056
    chemical entity 20055
      molecular entity 20054
        isotopically modified compound 1
          deuterated compound 0
            lysine-4,4,5,5-d4 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20056
    subatomic particle 20054
      composite particle 20054
        hadron 20054
          baryon 20054
            nucleon 20054
              atomic nucleus 20054
                atom 20054
                  main group element atom 19956
                    p-block element atom 19956
                      carbon group element atom 19882
                        carbon atom 19875
                          organic molecular entity 19875
                            organic group 18961
                              organic divalent group 18947
                                organodiyl group 18947
                                  carbonyl group 18900
                                    carbonyl compound 18900
                                      carboxylic acid 18594
                                        amino acid 14919
                                          alpha-amino acid 12937
                                            non-proteinogenic alpha-amino acid 1775
                                              lysine-4,4,5,5-d4 0
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