Background	Pentacta pygmaea (PpFucCS) was extracted from sea cucumber and it's structure was analyzed using NMR.PpFucCS exhibits strong binding to S-protein RBD compared to heparin.
Type	Glycosaminoglycans
Source	Pentacta pygmaea(Sea cucumber)
Weight	10-60 kDa
Backbone/Unit	{→3)-β-GalNAcX-(1→4)-β-GlcA-[(3→1)Y]-(1→} where X = 4S(80%), 6S(10%) or nonsulfated(10%), Y = αFuc2,4S (40%), α-Fuc2,4S-(1→4)-α-Fuc(30%)
Structure