Hex:2 HexNAc:2 dHex:1 NeuGc:3

Taxonomy

• Oncorhynchus keta (Chum salmon)
• Oncorhynchus mykiss (Rainbow trout)

Protein

• Polysialoglycoprotein (psgp) / Oncorhynchus keta    
• Polysialoglycoprotein (psgp) / Oncorhynchus mykiss    

Source

• Egg Cell  

Reported structure

• O-Linked / Core 1 / Fuc(a1-3)GalNAc(b1-3)Gal(b1-4)Gal(b1-3)[NeuGc(a2-8)NeuGc(a2-8)NeuGc(a2-6)]GalNAc

Composition

• Hex:2 HexNAc:2 dHex:1 NeuGc:3 (avg mass : 1816.605 )

Disease

Reference

• Isolation and structures of the third major type of carbohydrate units in polysialoglycoproteins from rainbow trout eggs. (1984 - Iwasaki M, Nomoto H, Kitajima K, Inoue S, Inoue Y) / Status : Reviewed
• Fish egg polysialoglycoproteins: structures of new sialooligosaccharide chains isolated from the eggs of Oncorhynchus keta (Walbaum). Fucose-containing units with oligosialyl groups. (1984 - Shimamura M, Endo T, Inoue Y, Inoue S, Kambara H) / Status : Reviewed

Reported glycosite

• Polysialoglycoprotein (psgp) / Oncorhynchus keta
  •        Undefined site
• Polysialoglycoprotein (psgp) / Oncorhynchus mykiss
  •        Undefined site

Mass spectrometry observed peptide