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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:27581 term browser browse the term
Definition:The pteridine that is lumazine substituted with a methyl group at C-6, a hydroxy group at C-7 and a 1-D-ribityl group at N-8.
Synonyms:exact_synonym: 1-deoxy-1-(7-hydroxy-6-methyl-2,4-dioxo-3,4-dihydropteridin-8(2H)-yl)-D-ribitol
 related_synonym: 1-deoxy-1-(3,4-dihydro-7-hydroxy-6-methyl-2,4-dioxo-8(2H)-pteridinyl)-D-Ribitol;   7-Hydroxy-6-methyl-8-ribityl lumazine;   7-hydroxy-6-methyl-8-D-ribityllumazine;   Formula=C12H18N4O7;   InChI=1S/C12H16N4O7/c1-4-11(22)16(2-5(18)8(20)6(19)3-17)9-7(13-4)10(21)15-12(23)14-9/h5-6,8,17-20,22H,2-3H2,1H3,(H,15,21,23)/t5-,6+,8-/m0/s1;   InChIKey=COXMGTTXHPRZBO-BBVRLYRLSA-N;   Masuda's compound V;   RL-6-Me-7-OH;   SMILES=Cc1nc2c(nc(=O)[nH]c2=O)n(C[C@H](O)[C@H](O)[C@H](O)CO)c1O
 alt_id: CHEBI:20790;   CHEBI:2265;   CHEBI:70985
 xref: CAS:2184-54-5;   KEGG:C05995;   PDBeChem:1VY;   PMID:23051753;   PMID:24101382;   Reaxys:899260

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  CHEBI ontology 5021
    role 4981
      biological role 4981
        biochemical role 4900
          metabolite 4887
            eukaryotic metabolite 4867
              plant metabolite 425
                ribitol 0
                  7-hydroxy-6-methyl-8-(1-D-ribityl)lumazine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 5021
    subatomic particle 5012
      composite particle 5012
        hadron 5012
          baryon 5012
            nucleon 5012
              atomic nucleus 5012
                atom 5012
                  main group element atom 4976
                    p-block element atom 4973
                      carbon group element atom 4888
                        carbon atom 4887
                          organic molecular entity 4887
                            organic molecule 4837
                              organic cyclic compound 4770
                                organic heterocyclic compound 4579
                                  organic heteropolycyclic compound 4373
                                    organic heterobicyclic compound 107
                                      pteridines 21
                                        dihydroxypteridine 0
                                          2,4-dihydroxypteridine 0
                                            lumazine 0
                                              7-hydroxy-6-methyl-8-(1-D-ribityl)lumazine 0
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