Enzymatic activity of "high-mannose" glycosylated forms of intestinal microvillar hydrolases
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Enzymatic activity of "high-mannose" glycosylated forms of intestinal microvillar hydrolases. / Sjöström, H; Norén, Ove; Danielsen, E M.
I: Journal of Pediatric Gastroenterology and Nutrition, Bind 4, Nr. 6, 1985, s. 980-3.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Enzymatic activity of "high-mannose" glycosylated forms of intestinal microvillar hydrolases
AU - Sjöström, H
AU - Norén, Ove
AU - Danielsen, E M
N1 - Keywords: Aminopeptidases; Animals; Antigens, CD13; Glucosidases; Intestinal Mucosa; Mannose; Microvilli; Multienzyme Complexes; Sucrase-Isomaltase Complex; Swine; alpha-Glucosidases
PY - 1985
Y1 - 1985
N2 - The "high-mannose" glycosylated forms of aminopeptidase N (EC 3.4.11.2), maltase-glucoamylase (EC 3.2.1.20), and sucrase-isomaltase (EC 3.2.1.48, EC 3.2.1.10) have been purified. The high-mannose glycosylated form of sucrase-isomaltase was found to have a lower specific activity than the complex glycosylated form, whereas no difference was observed for the two other enzymes. The change in glycosylation from high-mannose to complex form thus seems to be of importance for the enzymatic activity of sucrase-isomaltase either by direct structural involvement or by a general stabilization effect on the protein conformation.
AB - The "high-mannose" glycosylated forms of aminopeptidase N (EC 3.4.11.2), maltase-glucoamylase (EC 3.2.1.20), and sucrase-isomaltase (EC 3.2.1.48, EC 3.2.1.10) have been purified. The high-mannose glycosylated form of sucrase-isomaltase was found to have a lower specific activity than the complex glycosylated form, whereas no difference was observed for the two other enzymes. The change in glycosylation from high-mannose to complex form thus seems to be of importance for the enzymatic activity of sucrase-isomaltase either by direct structural involvement or by a general stabilization effect on the protein conformation.
M3 - Journal article
C2 - 2866240
VL - 4
SP - 980
EP - 983
JO - Journal of Pediatric Gastroenterology and Nutrition
JF - Journal of Pediatric Gastroenterology and Nutrition
SN - 0277-2116
IS - 6
ER -
ID: 9881247