Molecule: alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->4)]-D-GlcNAc
A branched amino tetrasaccharide consisting of a sialyl residue, linked (2->3) to a galactosyl residue that in turn is linked (1->3) to a glucosaminyl residue, which is also carrying a fucosyl residue at the 4-position.
Synonyms for alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->4)]-D-GlcNAc :
(Gal)1 (GlcNAc)1 (LFuc)1 (Neu5Ac)1
CA19-9
CA19-9 antigen
NeuAcalpha2,3Galbeta1-3[Fucalpha1-4]GlcNAc
R-alpha-D-Gal-beta1,3-alpha-D-GlcNAc-(alpha1,4-Fuc)-beta1,3-D-Gal-alpha2,3-Neu5Ac
WURCS=2.0/4,4,3/[a2122h-1x_1-5_2*NCC/3=O][a2112h-1b_1-5][Aad21122h-2a_2-6_5*NCC/3=O][a1221m-1a_1-5]/1-2-3-4/a3-b1_a4-d1_b3-c2
carbohydrate antigen 19-9
sLeA
sialyl Lewis A
sialyl Lewis a antigen
sialyl-Lewis(A)
Molecular Formula: C31H52N2O23
Molecular wt: 820.74420 g/mole
Charge: 0
SMILES: [H][C@]1(O[C@@](C[C@H](O)[C@H]1NC(C)=O)(O[C@H]1[C@@H](O)[C@@H](CO)O[C@@H](O[C@@H]2[C@@H](NC(C)=O)C(O)O[C@H](CO)[C@H]2O[C@@H]2O[C@@H](C)[C@@H](O)[C@@H](O)[C@@H]2O)[C@@H]1O)C(O)=O)[C@H](O)[C@H](O)CO
InChIKey: XBSNXOHQOTUENA-KRAHZTDDSA-N
InChI=1S/C31H52N2O23/c1-8-17(41)20(44)21(45)28(50-8)53-23-14(7-36)51-27(47)16(33-10(3)38)25(23)54-29-22(46)26(19(43)13(6-35)52-29)56-31(30(48)49)4-11(39)15(32-9(2)37)24(55-31)18(42)12(40)5-34/h8,11-29,34-36,39-47H,4-7H2,1-3H3,(H,32,37)(H,33,38)(H,48,49)/t8-,11-,12+,13+,14+,15+,16+,17+,18+,19-,20+,21-,22+,23+,24+,25+,26-,27?,28-,29-,31-/m0/s1
Sample reactions for this molecule: