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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:16645 term browser browse the term
Definition:A bilane that has formula C40H46N4O17.
Synonyms:exact_synonym: 3,8,13,18-tetrakis(carboxymethyl)-19-(hydroxymethyl)bilane-2,7,12,17-tetrapropanoic acid
 related_synonym: (hydroxymethyl)bilane;   3,8,13,18-tetrakis(carboxymethyl)-5,10,15,22,23,24-hexahydro-19-(hydroxymethyl)-21H-biline-2,7,12,17-tetrapropanoic acid;   Formula=C40H46N4O17;   Hydroxymethylbilane;   InChI=1S/C40H46N4O17/c45-17-32-25(12-40(60)61)21(4-8-36(52)53)29(44-32)15-31-24(11-39(58)59)20(3-7-35(50)51)28(43-31)14-30-23(10-38(56)57)19(2-6-34(48)49)27(42-30)13-26-22(9-37(54)55)18(16-41-26)1-5-33(46)47/h16,41-45H,1-15,17H2,(H,46,47)(H,48,49)(H,50,51)(H,52,53)(H,54,55)(H,56,57)(H,58,59)(H,60,61);   InChIKey=WDFJYRZCZIUBPR-UHFFFAOYSA-N;   SMILES=OCc1[nH]c(Cc2[nH]c(Cc3[nH]c(Cc4[nH]cc(CCC(O)=O)c4CC(O)=O)c(CCC(O)=O)c3CC(O)=O)c(CCC(O)=O)c2CC(O)=O)c(CCC(O)=O)c1CC(O)=O
 alt_id: CHEBI:14423;   CHEBI:24716;   CHEBI:5809
 xref: Beilstein:1209089;   CAS:71861-60-4;   CAS:73023-76-4;   KEGG:C01024;   KNApSAcK:C00007374
 xref_mesh: MESH:C024393
 cyclic_relationship: is_conjugate_acid_of CHEBI:57845

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Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Hmbs hydroxymethylbilane synthase increases abundance ISO HMBS protein results in increased abundance of hydroxymethylbilane CTD PMID:23973255 NCBI chr 8:48,667,278...48,674,673
Ensembl chr 8:48,667,275...48,674,748
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19787
    role 19734
      biological role 19734
        biochemical role 19282
          metabolite 19263
            prokaryotic metabolite 18357
              bacterial metabolite 18357
                Escherichia coli metabolite 18262
                  preuroporphyrinogen 1
Path 2
Term Annotations click to browse term
  CHEBI ontology 19787
    subatomic particle 19784
      composite particle 19784
        hadron 19784
          baryon 19784
            nucleon 19784
              atomic nucleus 19784
                atom 19784
                  main group element atom 19672
                    p-block element atom 19672
                      carbon group element atom 19574
                        carbon atom 19563
                          organic molecular entity 19563
                            organic molecule 19488
                              organic cyclic compound 19285
                                organic heterocyclic compound 18410
                                  organonitrogen heterocyclic compound 17461
                                    polypyrrole 609
                                      tetrapyrrole 497
                                        linear tetrapyrrole 169
                                          bilanes 1
                                            preuroporphyrinogen 1
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