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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:44800 term browser browse the term
Definition:A tetrahydroxytetrahydrofuran in which the hydroxy groups are located at positions 2, 3, 4, and 4 and which is substituted by a methyl group at position 2 (the 2R,4S diastereoisomer).
Synonyms:related_synonym: (2R,4S)-2-METHYL-2,3,3,4-TETRAHYDROXYTETRAHYDROFURAN;   (2R,4S)-2-methyldihydrofuran-2,3,3,4(2H)-tetrol;   (2R,4S)-2-methyloxolane-2,3,3,4-tetrol;   (R)-THMF;   AI-2;   Formula=C5H10O5;   InChI=1S/C5H10O5/c1-4(7)5(8,9)3(6)2-10-4/h3,6-9H,2H2,1H3/t3-,4+/m0/s1;   InChIKey=BVIYGXUQVXBHQS-IUYQGCFVSA-N;   SMILES=C[C@@]1(O)OC[C@H](O)C1(O)O;   auto inducer 2
 xref: MetaCyc:CPD-10774;   PDBeChem:PAV;   PMID:15350213;   Reaxys:9997002

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Term Annotations click to browse term
  CHEBI ontology 19816
    role 19764
      biological role 19764
        molecular messenger 18279
          signalling molecule 8232
            autoinducer 5
              (2R,4S)-2-methyltetrahydrofuran-2,3,3,4-tetrol 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      carbon group element atom 19608
                        carbon atom 19597
                          organic molecular entity 19597
                            organic molecule 19522
                              organic cyclic compound 19320
                                organic heterocyclic compound 18432
                                  organic heteromonocyclic compound 16469
                                    oxolanes 5299
                                      tetrahydrofuranol 2644
                                        tetrahydroxytetrahydrofuran 0
                                          (2R,4S)-2-methyltetrahydrofuran-2,3,3,4-tetrol 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.