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  • 114661-01-7 , STN Epitope; 6-O-a-Sialyl-2-acetamido-2-deoxy-a-D-galactopyranosyl-1-O-serine
114661-01-7 , STN Epitope; 6-O-a-Sialyl-2-acetamido-2-deoxy-a-D-galactopyranosyl-1-O-serine

114661-01-7 , STN Epitope; 6-O-a-Sialyl-2-acetamido-2-deoxy-a-D-galactopyranosyl-1-O-serine

114661-01-7 , STN Epitope; 6-O-a-Sialyl-2-acetamido-2-deoxy-a-D-galactopyranosyl-1-O-serine ;
2-Acetamido-6-O-(a-2-N-acetylneuraminyl)-2-deoxy-a-D-galactopyranosyl serine
C22H37N3O16 / 599.54
MFCD01320461

STN Epitope; 6-O-a-Sialyl-2-acetamido-2-deoxy-a-D-galactopyranosyl-1-O-serine ;

2-Acetamido-6-O-(a-2-N-acetylneuraminyl)-2-deoxy-a-D-galactopyranosyl serine

2-Acetamido-6-O-(a-2-N-acetylneuraminyl)-2-deoxy-a-D-galactopyranosyl serine is a monosaccharide sugar that is the terminal sugar at the nonreducing end of the glycosidic linkage in gangliosides. It has been shown to be a marker for colorectal adenocarcinoma and may be used as a prognostic marker. 2-Acetamido-6-O-(a-2-N-acetylneuraminyl)-2-deoxy--aDgalactopyranosyl serine, along with other gangliosides, has been found to be elevated in maternal blood and human serum during bowel diseases such as ulcerative colitis. This molecule has also been shown to have structural similarities to antigens that are associated with infectious diseases such as malaria.

CAS Number114661-01-7
Product NameSTn Epitope
IUPAC Name5-acetamido-2-[[5-acetamido-6-(2-amino-2-carboxyethoxy)-3,4-dihydroxyoxan-2-yl]methoxy]-4-hydroxy-6-(1,2,3-trihydroxypropyl)oxane-2-carboxylic acid
Molecular FormulaC₂₂H₃₇N₃O₁₆
Molecular Weight599.5 g/mol
InChIInChI=1S/C22H37N3O16/c1-7(27)24-13-10(29)3-22(21(36)37,41-18(13)15(31)11(30)4-26)39-6-12-16(32)17(33)14(25-8(2)28)20(40-12)38-5-9(23)19(34)35/h9-18,20,26,29-33H,3-6,23H2,1-2H3,(H,24,27)(H,25,28)(H,34,35)(H,36,37)
InChI KeyRMINQIRDFIBNLE-NNRWGFCXSA-N
SMILESCC(=O)NC1C(CC(OC1C(C(CO)O)O)(C(=O)O)OCC2C(C(C(C(O2)OCC(C(=O)O)N)NC(=O)C)O)O)O
SynonymsSerinyl 2-Acetamido-2-deoxy-6-O-(α-2-N-Acetylnuraminyl)-α-D-galactopyranosyl; 6-O-α-Sialyl-2-acetamido-2-deoxy-α-D-galactopyranosyl-1-O-L-serine; O-[2-(acetylamino)-6-O-(N-acetyl-α-neuraminosyl)-2-deoxy-α-D-galactopyranosyl]-L-serine;
Canonical SMILESCC(=O)NC1C(CC(OC1C(C(CO)O)O)(C(=O)O)OCC2C(C(C(C(O2)OCC(C(=O)O)N)NC(=O)C)O)O)O
Isomeric SMILESCC(=O)N[C@@H]1[C@H](C[C@@](O[C@H]1[C@@H]([C@@H](CO)O)O)(C(=O)O)OC[C@@H]2[C@@H]([C@@H]([C@H]([C@H](O2)OC[C@@H](C(=O)O)N)NC(=O)C)O)O)O


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