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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:149042 term browser browse the term
Definition:A amino disaccharide consisting of N-acetylneuaminic acid and D-galactopyranose joined by a (2->3) glycosidic bond.
Synonyms:exact_synonym: 3-O-(5-acetamido-3,5-dideoxy-D-glycero-D-galacto-non-2-ulopyranonosyl)-D-galactopyranose
 related_synonym: (4S,5R,6R)-5-acetamido-4-hydroxy-2-[(3R,4S,5S,6R)-2,3,5-trihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid;   5-acetamido-3,5-dideoxy-D-glycero-D-galacto-non-2-ulopyranosylonic acid-(2->3)-D-galacto-hexopyranose;   Formula=C17H29NO14;   InChI=1S/C17H29NO14/c1-5(21)18-9-6(22)2-17(16(28)29,31-13(9)10(24)7(23)3-19)32-14-11(25)8(4-20)30-15(27)12(14)26/h6-15,19-20,22-27H,2-4H2,1H3,(H,18,21)(H,28,29)/t6-,7+,8+,9+,10+,11-,12+,13+,14-,15?,17?/m0/s1;   InChIKey=GKHDMBQTTHCDCR-KAAVJFEYSA-N;   NeuAc(?2-3)Gal;   SMILES=O1[C@H]([C@H](NC(=O)C)[C@@H](O)CC1(O[C@H]2[C@@H](O)[C@H](OC(O)[C@@H]2O)CO)C(O)=O)[C@H](O)[C@H](O)CO;   WURCS=2.0/2,2,1/[a2112h-1x_1-5][Aad21122h-2x_2-6_5*NCC/3=O]/1-2/a3-b2
 xref: GlyGen:G24978QU;   GlyTouCan:G24978QU

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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
                    Neu5Ac-?-(2->3)-D-Galp 0
Path 2
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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
                            organic group 18994
                              organic divalent group 18980
                                organodiyl group 18980
                                  carbonyl group 18933
                                    carbonyl compound 18933
                                      carboxylic acid 18629
                                        carboacyl group 17761
                                          univalent carboacyl group 17761
                                            carbamoyl group 17602
                                              carboxamide 17602
                                                acetamides 14582
                                                  Neu5Ac-?-(2->3)-D-Galp 0
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