In organic chemistry, GM2 is a type of ganglioside. G refers to ganglioside, the M is for monosialic (as in it has one sialic acid), and 2 refers to the fact that it was the second monosialic ganglioside discovered. It is associated with GM2 gangliosidoses such as Tay–Sachs disease.[1]
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IUPAC name
(2S,3R,4E)-3-Hydroxy-2-octadecanamidooctadec-4-en-1-yl (5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosylonic acid)-(2→3)-[2-acetamido-2-deoxy-β-D-galactopyranosyl-(1→4)]-β-D-galactopyranosyl-(1→4)-β-D-glucopyranoside
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Systematic IUPAC name
(2S,4S,5R,6R)-5-Acetamido-2-{[(2R,3S,4R,5R,6S)-3-{[(2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-6-{[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-{[(2S,3R,4E)-3-hydroxy-2-octadecanamidooctadec-4-en-1-yl]oxy}oxan-3-yl]oxy}-5-hydroxy-2-(hydroxymethyl)oxan-4-yl]oxy}-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylate | |
Other names
Ganglioside GM2; Tay–Sachs ganglioside;
β-D-GalNAc-(1→4)-[α-Neu5Ac-(2→3)]-β-D-Gal-(1→4)-β-D-Glc-(1↔1)-N-octadecanoylsphingosine | |
Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
PubChem CID
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UNII | |
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Properties | |
C67H121N3O26 | |
Molar mass | 1384.700 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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See also
editAdditional images
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Sphingolipidoses
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Structures of GM1, GM2, GM3 gangliosides
References
edit- ^ Guetta E, Peleg L (2008). Rapid Detection of Fetal Mendalian Disorders: Tay–Sachs Disease. Methods in Molecular Biology. Vol. 444. pp. 147–59. doi:10.1007/978-1-59745-066-9_11. ISBN 978-1-58829-803-4. PMID 18425478.
External links
edit- Ganglioside+GM2 at the U.S. National Library of Medicine Medical Subject Headings (MeSH)