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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:148822 term browser browse the term
Definition:An amino disaccharide consisting of two 2-acetamido-2-deoxy-D-glucopyranose residues joined by a (1->4) glycosidic bond. The stereochemistry at the anomeric centre of each D-GlcpNAc moiety is not stated.
Synonyms:exact_synonym: 2-acetamido-4-O-(2-acetamido-2-deoxy-D-glucopyranosyl)-2-deoxy-D-glucopyranose
 related_synonym: 2-acetamido-2-deoxy-D-gluco-hexopyranosyl-(1->4)-2-acetamido-2-deoxy-D-gluco-hexopyranose;   Formula=C16H28N2O11;   GlcNAc(?1-4)GlcNAc;   InChI=1S/C16H28N2O11/c1-5(21)17-9-13(25)14(8(4-20)27-15(9)26)29-16-10(18-6(2)22)12(24)11(23)7(3-19)28-16/h7-16,19-20,23-26H,3-4H2,1-2H3,(H,17,21)(H,18,22)/t7-,8-,9-,10-,11-,12-,13-,14-,15?,16?/m1/s1;   InChIKey=CDOJPCSDOXYJJF-DFIFCAMYSA-N;   N-[(3R,4R,5S,6R)-5-[(3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide;   SMILES=O([C@H]1[C@H](O)[C@@H](NC(=O)C)C(O[C@@H]1CO)O)C2O[C@@H]([C@@H](O)[C@H](O)[C@H]2NC(=O)C)CO;   WURCS=2.0/1,2,1/[a2122h-1x_1-5_2*NCC/3=O]/1-1/a4-b1
 xref: GlyGen:G26983UO;   GlyTouCan:G26983UO;   KEGG:G10179

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  CHEBI ontology 20057
    chemical entity 20068
      atom 20056
        nonmetal atom 19948
          oxygen atom 19681
            oxygen molecular entity 19681
              organooxygen compound 19262
                carbohydrates and carbohydrate derivatives 13979
                  partially-defined glycan 0
                    D-GlcpNAc-(1->4)-D-GlcpNAc 0
Path 2
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  CHEBI ontology 20057
    subatomic particle 20056
      composite particle 20068
        hadron 20056
          baryon 20056
            nucleon 20056
              atomic nucleus 20056
                atom 20056
                  main group element atom 19971
                    p-block element atom 19971
                      carbon group element atom 19889
                        carbon atom 19894
                          organic molecular entity 19882
                            organic group 18982
                              organic divalent group 18968
                                organodiyl group 18968
                                  carbonyl group 18923
                                    carbonyl compound 18923
                                      carboxylic acid 18620
                                        carboacyl group 17748
                                          univalent carboacyl group 17748
                                            carbamoyl group 17588
                                              carboxamide 17588
                                                acetamides 14568
                                                  D-GlcpNAc-(1->4)-D-GlcpNAc 0
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