Ursus maritimus

Taxonomy

• Ursus maritimus (Polar bear)

Protein

Source

• Milk (UBERON_0001913)  

Reported structure

• Free / Lactose / Gal(b1-4)Glc
• Free / Lactose / Fuc(a1-2)Gal(b1-4)Glc
• Free / Lactose / Gal(a1-3)Gal(b1-4)Glc
• Free / Lactose / Fuc(a1-2)[Gal(a1-3)]Gal(b1-4)Glc
• Free / Lactose / Gal(a1-3)Gal(b1-4)[Fuc(a1-3)]Glc
• Free / Lactose / Fuc(a1-2)[GalNAc(a1-3)]Gal(b1-4)Glc
• Free / Lactose / Fuc(a1-2)[GalNAc(a1-3)]Gal(b1-4)[Fuc(a1-3)]Glc
• Free / Lactose / Gal(a1-3)Gal(b1-4)GlcNAc(b1-3)Gal(b1-4)Glc
• Free / Lactose / Fuc(a1-2)[Gal(a1-3)]Gal(b1-4)GlcNAc(b1-3)Gal(b1-4)Glc
• Free / Lactose / Gal(a1-3)Gal(b1-4)[Fuc(a1-3)]GlcNAc(b1-3)Gal(b1-4)Glc
• Free / Lactose / Gal(a1-3)Gal(b1-4)[Fuc(a1-3)]GlcNAc(b1-3)Gal(b1-4)[Fuc(a1-3)]Glc
• Free / Lactose / Gal(a1-3)Gal(b1-4)GlcNAc(b1-3)[Gal(a1-3)Gal(b1-4)GlcNAc(b1-6)]Gal(b1-4)Glc
• Free / Lactose / Gal(a1-3)Gal(b1-4)[Fuc(a1-3)]GlcNAc(b1-3)[Gal(a1-3)Gal(b1-4)[Fuc(a1-3)]GlcNAc(b1-6)]Gal(b1-4)Glc

Composition

• Hex:2 (avg mass : 342.3001 )
• Hex:2 dHex:1 (avg mass : 488.4431 )
• Hex:2 HexNAc:1 dHex:1 (avg mass : 691.6381 )
• Hex:2 HexNAc:1 dHex:2 (avg mass : 837.7811 )
• Hex:3 (avg mass : 504.4425 )
• Hex:3 dHex:1 (avg mass : 650.5855 )
• Hex:4 HexNAc:1 (avg mass : 869.7799 )
• Hex:4 HexNAc:1 dHex:1 (avg mass : 1015.9229 )
• Hex:4 HexNAc:1 dHex:2 (avg mass : 1162.0659 )
• Hex:6 HexNAc:2 (avg mass : 1397.2597 )
• Hex:6 HexNAc:2 dHex:2 (avg mass : 1689.5457 )

Disease

Reference

• Chemical characterization of milk oligosaccharides of the polar bear, Ursus maritimus. (2000 - Urashima T, Yamashita T, Nakamura T, Arai I, Saito T, Derocher A, Wiig O) / Status : Reviewed

Reported glycosite

Mass spectrometry observed peptide