Results 271 to 280 of about 285,607 (309)
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Enzymic hydrolysis of sphingolipids. Hydrolysis of ceramide glucoside by an enzyme from ox brain
Biochemical Journal, 1966Ceramide glucoside (1-O-glucosido-2-N-acyl-sphingosine) was hydrolysed to ceramide (N-acyl-sphingosine) and glucose by beta-glucosidase from ox brain. The reaction was stimulated by the non-ionic detergent, Triton X-100, or by the anionic detergents, cholate or taurocholate.
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Hydrolysis of organophosphorus compounds by microbial enzymes
Applied Microbiology and Biotechnology, 2010There are classes of microbial enzymes that have the ability to degrade harmful organophosphorus (OP) compounds that are present in some pesticides and nerve agents. To date, the most studied and potentially important OP-degrading enzymes are organophosphorus hydrolase (OPH) and organophosphorus acid anhydrolase (OPAA), which have both been ...
Casey M, Theriot, Amy M, Grunden
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Enzymic hydrolysis of sphingolipids. Hydrolysis of ceramide lactoside by an enzyme from rat brain
Biochemical Journal, 1966Ceramide lactoside [1-O-(galactosido-4-beta-glucosido)-2-N-acyl-sphingosine] was hydrolysed to ceramide glucoside and galactose by beta-galactosidase of rat brain. The reaction was not reversible, required cholate or taurocholate, had optimum pH5.0 and K(m) 2.2x10(-5)m.
G Shimon, MR Maurice
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The hydrolysis of ochratoxin a by some proteolytic enzymes
Biochemical Pharmacology, 1969Ochratoxin A, a metabolite produced by a strain of Aspergillus ochraceus and causing enteritis, renal necrosis, an increase of glycogen in the liver when given to rats, as well as inhibiting the phosphorylase enzyme in vitro, is found to be hydrolyzed in vivo to an iso-coumarin derivative (ochratoxin a).
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The hydrolysis of xylan and xylooligosaccharides by ruminal enzymes
Archives of Biochemistry and Biophysics, 1957Abstract Xylan is hydrolyzed to a mixture of xylooligosaccharides by enzymes in the rumen of the bovine. A random hydrolysis of the xylosidic bonds of xylan, xylotetraose, xylotriose, and xylobiose is effected. Several bacterial cultures obtained from the rumen contents were shown to produce xylan-hydrolyzing enzymes.
J H, PAZUR +3 more
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Optimization of enzyme complexes for lignocellulose hydrolysis
Biotechnology and Bioengineering, 2006AbstractThe ability of a commercial Trichoderma reesei cellulase preparation (Celluclast 1.5L), to hydrolyze the cellulose and xylan components of pretreated corn stover (PCS) was significantly improved by supplementation with three types of crude commercial enzyme preparations nominally enriched in xylanase, pectinase, and β‐glucosidase activity ...
Alex, Berlin +3 more
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The Complete Enzymic Hydrolysis of Crosslinked Proteins
1977Procedures used for the complete enzymic hydrolysis of proteins are reviewed. The successful application of complete enzymic hydrolysis in the detection of naturally occurring isopeptide crosslinks and various other types of chemically introduced crosslinks is described.
B, Milligan, L A, Holt
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Accessory Enzymes Involved in the Hydrolysis of Xylans
1991Xylans are heteropolysaccharides which are depolymerized by β-1,4-D-endoxylanases. Due to the abundance and variety of substituents in native xylans, different accessory enzymes are also needed for the total hydrolysis of xylan. The knowledge of α-glucuronidase, α-arabinosidase, and acetyl xylan- and feruloyl esterases has increased considerably in ...
Poutanen, Kaisa +3 more
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Enzymic hydrolysis of ketodextran
Carbohydrate Research, 1974R G, Brown, B, Lindberg
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Enzymic hydrolysis and chemical modification of cobrotoxin
Toxicon, 1965Abstract Cobrotoxin, the crystalline toxic protein obtained from Formosan cobra venom, was digested by proteolytic enzymes. The lethality of cobrotoxin was lost within 4 hr digestion by trypsin, and also decreased considerably following treatment with chymotrypsin, nagarse, and papain, in that order.
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