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Literature summary for 4.6.1.18 extracted from

  • Peracaula, R.; Royle, L.; Tabares, G.; Mallorqui-Fernandez, G.; Barrabes, S.; Harvey, D.J.; Dwek, R.A.; Rudd, P.M.; de Llorens, R.
    Glycosylation of human pancreatic ribonuclease: differences between normal and tumor states (2003), Glycobiology, 13, 227-244.
    View publication on PubMed

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
14000 24000 fractions with one glycosylation site occupied, Asn34, SDS-PAGE Homo sapiens
24000 36000 fractions with two or three glycosylation sites occupied, SDS-PAGE Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein pancreatic enzyme has three glycosylation sites, Asn34, Asn76 and Asn88. The majority of the glycans from the normal pancreas enzyme are fucosylated complex biantennary structures. Triantennary and tetrantennary fucosylated glycans are present in the highly glycosylated enzyme fractions, together with traces of glycans with poly-N-acetyllactosamine chains and others. The main core structures of the Capan-1 enzyme are hybrid glycans with branched 3-antenna and biantennary structures containing mainly Gal-GlcNAc chains, both types of compounds substituted with up to three fucose residues and some additionally sialylated. MDAPanc-3 enzyme has sialic acids and fucose linked alpha1-3 and 1-4 to the antennae and core fucose, and galactose residues linked beta1-4 to GlcNAc Homo sapiens

Purification (Commentary)

Purification (Comment) Organism
affinity chromatography on heparin column and reversed-phase chromatography Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
pancreas
-
Homo sapiens
-
pancreatic adenocarcinoma cell line Capan-1 and MDAPanc-3 Homo sapiens
-