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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:xanthine
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Accession:CHEBI:15318 term browser browse the term
Definition:A purine nucleobase found in humans and other organisms.
Synonyms:related_synonym: 2,6-dioxopurine;   2,6-dioxopurines;   Formula=C5H4N4O2;   xanthines
 xref: ECMDB:ECMDB00292;   KNApSAcK:C00019660;   PMID:1557408;   PMID:24629268;   PMID:9007687;   YMDB:YMDB00263



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Your selection has 3915 annotated objects. The maximum number of objects that can be shown is 2000. The list is too large to display.

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  • Term paths to the root
    Path 1
    Term Annotations click to browse term
      CHEBI ontology 20050
        role 20001
          biological role 20000
            biochemical role 19624
              metabolite 19605
                fundamental metabolite 12803
                  xanthine 3915
                    3-isobutyl-1-methylxanthine + 3072
                    7H-xanthine + 3112
                    9H-xanthine + 57
                    methylxanthine + 1148
                    xanthine-8-carboxylate 0
                    xanthine-8-carboxylic acid 0
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 20050
        subatomic particle 20048
          composite particle 20048
            hadron 20048
              baryon 20048
                nucleon 20048
                  atomic nucleus 20048
                    atom 20048
                      main group element atom 19948
                        p-block element atom 19948
                          carbon group element atom 19872
                            carbon atom 19863
                              organic molecular entity 19863
                                organic molecule 19809
                                  organic cyclic compound 19572
                                    organic heterocyclic compound 18799
                                      organic heteropolycyclic compound 18274
                                        organic heterobicyclic compound 17169
                                          imidazopyrimidine 5624
                                            purines 5622
                                              aminopurine 4445
                                                2-aminopurines 4041
                                                  guanine 4005
                                                    xanthine 3915
                                                      3-isobutyl-1-methylxanthine + 3072
                                                      7H-xanthine + 3112
                                                      9H-xanthine + 57
                                                      methylxanthine + 1148
                                                      xanthine-8-carboxylate 0
                                                      xanthine-8-carboxylic acid 0
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