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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:136007 term browser browse the term
Synonyms:related_synonym: Formula=C21H26NO4;   InChI=1S/C21H25NO4/c1-22(11-12-2-3-12)9-8-20-17-13-4-5-14(23)18(17)26-19(20)15(24)6-7-21(20,25)16(22)10-13/h4-5,12,16,19,25H,2-3,6-11H2,1H3/p+1/t16-,19+,20+,21-,22?/m1/s1;   InChIKey=JVLBPIPGETUEET-GAAHOAFPSA-O;   SMILES=O[C@]12[C@@]34C=5C(O[C@]3(C(CC1)=O)[H])=C(O)C=CC5C[C@]2([N+](CC4)(CC6CC6)C)[H];   methylnaltrexone bromide;   methylnaltrexonium;   relistor
 xref: CAS:83387-25-1;   Drug_Central:4616
 xref_mesh: MESH:C032257

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methylnaltrexone term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Oprm1 opioid receptor, mu 1 affects binding ISO methylnaltrexone binds to OPRM1 protein CTD PMID:17340127 NCBI chr 1:43,454,803...43,704,948
Ensembl chr 1:43,454,803...43,704,948
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19853
    role 19804
      biological role 19804
        xenobiotic 18437
          phenanthrenes 109
            methylnaltrexone 1
Path 2
Term Annotations click to browse term
  CHEBI ontology 19853
    subatomic particle 19851
      composite particle 19851
        hadron 19851
          baryon 19851
            nucleon 19851
              atomic nucleus 19851
                atom 19851
                  main group element atom 19744
                    p-block element atom 19744
                      carbon group element atom 19650
                        carbon atom 19639
                          organic molecular entity 19639
                            organic molecule 19568
                              organic cyclic compound 19378
                                carbocyclic compound 18284
                                  carbopolycyclic compound 17043
                                    carbotricyclic compound 1052
                                      phenanthrenes 109
                                        methylnaltrexone 1
paths to the root