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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:10213 term browser browse the term
Definition:A pentacyclic triterpenoid that is ursane which contains a double bond between positions 12 and 13 and in which the hydrogen at the 3beta position is substituted by a hydroxy group.
Synonyms:exact_synonym: (3beta)-urs-12-en-3-ol
 related_synonym: 4,4,6a,6b,8a,11,12,14b-octamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-ol;   5alpha-urs-12-en-3beta-ol;   Formula=C30H50O;   InChI=1S/C30H50O/c1-19-11-14-27(5)17-18-29(7)21(25(27)20(19)2)9-10-23-28(6)15-13-24(31)26(3,4)22(28)12-16-30(23,29)8/h9,19-20,22-25,31H,10-18H2,1-8H3/t19-,20+,22+,23-,24+,25+,27-,28+,29-,30-/m1/s1;   InChIKey=FSLPMRQHCOLESF-SFMCKYFRSA-N;   SMILES=[H][C@@]12CC[C@]3(C)[C@]([H])(CC=C4[C@]5([H])[C@@H](C)[C@H](C)CC[C@]5(C)CC[C@@]34C)[C@@]1(C)CC[C@H](O)C2(C)C;   alpha-amyrenol;   alpha-amyrine;   urs-12-ene-3beta-ol;   viminalol
 xref: CAS:638-95-9;   KEGG:C08615;   KNApSAcK:C00003737;   LIPID_MAPS_instance:LMPR0106170001
 xref_mesh: MESH:C000654244
 xref: MetaCyc:CPD-8250;   PMID:10848960;   PMID:15626726;   PMID:15659316;   PMID:18129592;   PMID:19488928;   PMID:21575133;   Reaxys:1916550

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alpha-amyrin term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Tacr1 tachykinin receptor 1 multiple interactions ISO [alpha-amyrin co-treated with beta-amyrin] inhibits the reaction [Cyclophosphamide results in increased expression of TACR1 protein] CTD PMID:18210232 NCBI chr 4:114,920,844...115,089,733
Ensembl chr 4:114,920,844...115,089,733
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19741
    chemical entity 19739
      molecular entity 19739
        polyatomic entity 19699
          molecule 19606
            cyclic compound 19411
              polycyclic compound 18770
                organic polycyclic compound 17164
                  pentacyclic triterpenoid 423
                    alpha-amyrin 1
Path 2
Term Annotations click to browse term
  CHEBI ontology 19741
    subatomic particle 19739
      composite particle 19739
        hadron 19739
          baryon 19739
            nucleon 19739
              atomic nucleus 19739
                atom 19739
                  main group element atom 19687
                    main group molecular entity 19687
                      s-block molecular entity 19539
                        hydrogen molecular entity 19532
                          hydrides 19014
                            organic hydride 18614
                              organic fundamental parent 18614
                                hydrocarbon 18357
                                  terpene 13686
                                    triterpene 792
                                      triterpenoid 787
                                        pentacyclic triterpenoid 423
                                          alpha-amyrin 1
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