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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:but-2-en-4-olide
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Accession:CHEBI:38118 term browser browse the term
Definition:A butenolide that has formula C4H4O2.
Synonyms:exact_synonym: furan-2(5H)-one
 related_synonym: 2(5H)-furanone;   2-buten-4-olide;   2-butenolide;   2-oxo-2,5-dihydrofuran;   4-hydroxy-2-butenoic acid lactone;   Formula=C4H4O2;   InChI=1S/C4H4O2/c5-4-2-1-3-6-4/h1-2H,3H2;   InChIKey=VIHAEDVKXSOUAT-UHFFFAOYSA-N;   SMILES=O=C1OCC=C1;   alpha,beta-crotonolactone;   butenolide;   gamma-crotonolactone;   gamma-hydroxycrotonic acid lactone
 xref: Beilstein:383585;   CAS:497-23-4;   Gmelin:773828;   KEGG:C17601
 xref_mesh: MESH:C004511
 cyclic_relationship: is_tautomer_of CHEBI:38120



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but-2-en-4-olide term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Nfe2l2 NFE2 like bZIP transcription factor 2 increases activity ISO butenolide results in increased activity of NFE2L2 protein CTD PMID:30244016 NCBI chr 3:60,594,239...60,621,785
Ensembl chr 3:60,594,242...60,621,737
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19795
    chemical entity 19795
      atom 19794
        nonmetal atom 19681
          oxygen atom 19418
            oxygen molecular entity 19418
              organooxygen compound 18993
                oxacycle 17602
                  furans 8600
                    butenolide 6281
                      but-2-en-4-olide 1
                        2,4-dichloro-5-oxo-2,5-dihydro-2-furylacetate 0
                        beta-angelica lactone + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19795
    subatomic particle 19794
      composite particle 19794
        hadron 19794
          baryon 19794
            nucleon 19794
              atomic nucleus 19794
                atom 19794
                  main group element atom 19693
                    p-block element atom 19693
                      carbon group element atom 19614
                        carbon atom 19604
                          organic molecular entity 19604
                            organic group 18713
                              organic divalent group 18697
                                organodiyl group 18697
                                  carbonyl group 18646
                                    carbonyl compound 18646
                                      carboxylic ester 15881
                                        lactone 11255
                                          gamma-lactone 6752
                                            butenolide 6281
                                              but-2-en-4-olide 1
                                                2,4-dichloro-5-oxo-2,5-dihydro-2-furylacetate 0
                                                beta-angelica lactone + 0
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