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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.

Term:L-threonic acid
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Accession:CHEBI:15908 term browser browse the term
Definition:The L-enantiomer of threonic acid.
Synonyms:exact_synonym: (2R,3S)-2,3,4-trihydroxybutanoic acid
 related_synonym: Formula=C4H8O5;   InChI=1S/C4H8O5/c5-1-2(6)3(7)4(8)9/h2-3,5-7H,1H2,(H,8,9)/t2-,3+/m0/s1;   InChIKey=JPIJQSOTBSSVTP-STHAYSLISA-N;   SMILES=OC[C@H](O)[C@@H](O)C(O)=O
 alt_id: CHEBI:13174;   CHEBI:21402;   CHEBI:9573
 xref: Beilstein:1722841;   CAS:7306-96-9;   KEGG:C01620;   KNApSAcK:C00034314;   PMID:12961869;   PMID:16662405;   PMID:17098753;   PMID:22770225;   Reaxys:1722841;   Wikipedia:Threonic_acid
 cyclic_relationship: is_conjugate_acid_of CHEBI:57561;   is_enantiomer_of CHEBI:49059

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19771
    role 19716
      biological role 19716
        biochemical role 19304
          metabolite 19286
            eukaryotic metabolite 18957
              plant metabolite 17450
                L-threonic acid 0
                  (R)-2,4-dihydroxy-3-oxobutanoic acid 0
                  4-phospho-L-threonic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19771
    subatomic particle 19770
      composite particle 19770
        hadron 19770
          baryon 19770
            nucleon 19770
              atomic nucleus 19770
                atom 19770
                  main group element atom 19658
                    p-block element atom 19658
                      carbon group element atom 19574
                        carbon atom 19564
                          organic molecular entity 19564
                            organic group 18599
                              organic divalent group 18590
                                organodiyl group 18590
                                  carbonyl group 18505
                                    carbonyl compound 18505
                                      carboxylic acid 18157
                                        monocarboxylic acid 17530
                                          fatty acid 16014
                                            short-chain fatty acid 15702
                                              fatty acid 4:0 7858
                                                butyric acid 6207
                                                  hydroxybutyric acid 22
                                                    2,3,4-trihydroxybutanoic acid 1
                                                      threonic acid 1
                                                        L-threonic acid 0
                                                          (R)-2,4-dihydroxy-3-oxobutanoic acid 0
                                                          4-phospho-L-threonic acid 0
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