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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:157223 term browser browse the term
Definition:A partially-defined glycan that is alpha-D-galactopyranose in which the hydroxy group at position 2 has been glycosylated to give the corresponding D-glucopyranoside.
Synonyms:exact_synonym: 2-O-D-glucopyranosyl-alpha-D-galactopyranose
 related_synonym: (2S,3R,4S,5R,6R)-6-(hydroxymethyl)-3-[(3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxane-2,4,5-triol;   D-gluco-hexopyranosyl-(1->2)-alpha-D-galacto-hexopyranose;   Formula=C12H22O11;   Glc(?1-2)a-Gal;   InChI=1S/C12H22O11/c13-1-3-6(16)8(18)10(11(20)21-3)23-12-9(19)7(17)5(15)4(2-14)22-12/h3-20H,1-2H2/t3-,4-,5-,6+,7+,8+,9-,10-,11+,12?/m1/s1;   InChIKey=HIWPGCMGAMJNRG-DTFCZHILSA-N;   SMILES=OC[C@H]1O[C@H](O)[C@H](OC2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@@H](O)[C@H]1O;   WURCS=2.0/2,2,1/[a2112h-1a_1-5][a2122h-1x_1-5]/1-2/a2-b1
 xref: GlyGen:G73628VX;   GlyTouCan:G73628VX

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  CHEBI ontology 20072
    chemical entity 20071
      atom 20071
        nonmetal atom 19963
          oxygen atom 19696
            oxygen molecular entity 19696
              organooxygen compound 19276
                carbohydrates and carbohydrate derivatives 13992
                  partially-defined glycan 0
                    D-Glcp-(1->2)-alpha-D-Galp 0
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  CHEBI ontology 20072
    subatomic particle 20071
      composite particle 20071
        hadron 20071
          baryon 20071
            nucleon 20071
              atomic nucleus 20071
                atom 20071
                  main group element atom 19974
                    p-block element atom 19974
                      carbon group element atom 19903
                        carbon atom 19896
                          organic molecular entity 19896
                            heteroorganic entity 19607
                              organochalcogen compound 19373
                                organooxygen compound 19276
                                  carbohydrates and carbohydrate derivatives 13992
                                    carbohydrate 13992
                                      oligosaccharide 587
                                        disaccharide 497
                                          glycosylgalactose 0
                                            D-Glcp-(1->2)-alpha-D-Galp 0
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