Polysialoglycoprotein (psgp)

Taxonomy

• Oncorhynchus masou ishikawai (Ishikawa's cherry salmon)

Protein

• Polysialoglycoprotein (psgp) / Oncorhynchus masou ishikawai

Source

• Egg Cell  

Reported structure

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

Composition

• Hex:1 HexNAc:1 (avg mass : 383.3527 )
• Hex:2 HexNAc:1 (avg mass : 545.4951 )
• Hex:2 HexNAc:2 (avg mass : 748.6901 )
• Hex:2 HexNAc:2 dHex:1 (avg mass : 894.8331 )
• Hex:2 HexNAc:3 (avg mass : 951.8851 )
• Hex:2 HexNAc:3 NeuGc:1 (avg mass : 1259.1424 )

Disease

Reference

• Structures of the carbohydrate units of polysialoglycoproteins isolated from the eggs of four species of salmonid fishes. (1985 - Iwasaki M, Inoue S) / Status : Reviewed

Reported glycosite

• Polysialoglycoprotein (psgp) / Oncorhynchus masou ishikawai
  •        Undefined site

Mass spectrometry observed peptide