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An unknown deaminated sialic acid has been isolated from Salmo gairdneri (rainbow trout) egg polysialoglycoprotein. A combination of structural methods including gas-liquid chromatography, chemical(More)
Chemical studies have shown the occurrence of the deaminated sialic acid 2-keto-3-deoxy-D-glycero-D-galacto-nononic acid (KDN) in paired samples of blood obtained from mothers and newborns of healthy(More)
Recently, we found the occurrence of N-deglycosylating enzyme, peptide:N-glycanase (PNGase), in mammalian cells and observed that PNGase is a rather common enzyme involved in post-translational(More)
Hen ovalbumin (OVA) is known to exist as a singly N-glycosylated form with a glycan chain on Asn-292 in egg white. Previous studies showed that di-N-glycosylated form of OVA [Di-OVA;(More)
Phospholipase A2 inhibitor (PLI), purified from the blood plasma of the Habu snake (Trimeresurus flavoviridis), was separated into two distinct subunits, PLI-A and PLI-B. These subunits were shown to(More)
Adriamycin (ADR), an anthracycline anticancer drug, was bound to the poly(aspartic acid) chain of poly(ethylene glycol)-poly(aspartic acid) block copolymer by amide bond formation between an amino(More)
A sensitive and efficient method to analyze oligo/ poly-sialic acids containing alpha2-8-linked 5-N-acetylneuraminic acid (Neu5Ac), 5-N-glycolylneuraminic acid (Neu5Gc), and deaminated neuraminic(More)