Molecule: beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc6S-(1->3)-D-Galp

An amino tetrasaccharide comprised of two N-acetylated glucosamine residues, of which one is sulfated on O-6, and two galactosyl residues, of which one is at the reducing end. It is an intermediate in the keratan sulfate degradation pathway.
Synonyms for beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc6S-(1->3)-D-Galp :
GlcNAc-Gal-GlcNAc(S)-Gal
beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc6S-(1->3)-D-Gal
Molecular Formula: C28H48N2O24S
Molecular wt: 828.74500 g/mole
Charge: 0
SMILES: CC(=O)N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@H]1[C@@H](O)[C@@H](CO)O[C@@H](O[C@H]2[C@H](O)[C@@H](NC(C)=O)[C@@H](O[C@@H]2COS(O)(=O)=O)O[C@@H]2[C@@H](O)C(O)O[C@H](CO)[C@@H]2O)[C@@H]1O
InChIKey: SGOGTNUMDHPCFF-DXEUWILZSA-N
InChI=1S/C28H48N2O24S/c1-7(34)29-13-18(39)15(36)9(3-31)49-26(13)54-24-17(38)11(5-33)50-28(21(24)42)52-22-12(6-47-55(44,45)46)51-27(14(19(22)40)30-8(2)35)53-23-16(37)10(4-32)48-25(43)20(23)41/h9-28,31-33,36-43H,3-6H2,1-2H3,(H,29,34)(H,30,35)(H,44,45,46)/t9-,10-,11-,12-,13-,14-,15-,16+,17+,18-,19-,20-,21-,22-,23+,24+,25?,26+,27+,28+/m1/s1
CHEBI:63852
Sample reactions for this molecule:
N-acetylglucosamine 6-sulfatase (GNS) hydrolyses 6-sulfate groups of the N-acetyl-D-glucosamine 6-sulfate units of keratan sulfate
HEXA cleaves the terminal GalNAc from keratan sulfate
Defective HEXA does not cleave the terminal GalNAc from keratan sulfate
Defective HEXB does not cleave the terminal GalNAc from keratan sulfate
HEXB cleaves the terminal GalNAc from keratan sulfate