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O-acetylation and de-O-acetylation of sialic acids. 7- and 9-o-acetylation of alpha 2,6-linked sialic acids on endogenous N-linked glycans in rat liver Golgi vesicles.
Diaz S, Higa HH, Hayes BK, Varki A. Diaz S, et al. J Biol Chem. 1989 Nov 15;264(32):19416-26. J Biol Chem. 1989. PMID: 2808433 Free article.
The incorporated radioactivity occurred in acid-soluble and acid-insoluble components, and the acid-insoluble fraction included O-acetylated sialic acids (Varki, A., and Diaz, S. (1985) J. Biol. Chem. 260, 6600-6608). Nearly all of the protein-associated radioactivi …
The incorporated radioactivity occurred in acid-soluble and acid-insoluble components, and the acid-insoluble fraction included O-acetylated …
High level O-acetylation of sialic acids on N-linked oligosaccharides of rat liver membranes. Differential subcellular distribution of 7- and 9-O-acetyl groups and of enzymes involved in their regulation.
Butor C, Diaz S, Varki A. Butor C, et al. Among authors: diaz s. J Biol Chem. 1993 May 15;268(14):10197-206. J Biol Chem. 1993. PMID: 8486687 Free article.
This distribution fits with the ability of the rat liver sialate: O-acetyltransferase(s) to synthesize both 7- and 9-O-acetyl esters (Diaz, S., Higa, H. ...
This distribution fits with the ability of the rat liver sialate: O-acetyltransferase(s) to synthesize both 7- and 9-O-acetyl esters …
Metabolism of vertebrate amino sugars with N-glycolyl groups: incorporation of N-glycolylhexosamines into mammalian glycans by feeding N-glycolylgalactosamine.
Bergfeld AK, Pearce OM, Diaz SL, Lawrence R, Vocadlo DJ, Choudhury B, Esko JD, Varki A. Bergfeld AK, et al. J Biol Chem. 2012 Aug 17;287(34):28898-916. doi: 10.1074/jbc.M112.363499. Epub 2012 Jun 12. J Biol Chem. 2012. PMID: 22692203 Free PMC article.
To date, hydroxylation of CMP-Neu5Ac resulting in the conversion into CMP-Neu5Gc is the only known enzymatic reaction in mammals to synthesize a monosaccharide carrying an N-glycolyl group. In our accompanying paper (Bergfeld, A. K., Pearce, O. M., Diaz, S. L., Pham …
To date, hydroxylation of CMP-Neu5Ac resulting in the conversion into CMP-Neu5Gc is the only known enzymatic reaction in mammals to synthesi …
1,145 results