About: Combined Application of Galactose Oxidase and Beta-N-Acetylhexosaminidase in the Synthesis of Complex Immunoactive N-Acetyl-D-galactosaminides     Goto   Sponge   NotDistinct   Permalink

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Description
  • A high-yield preparatory procedure for the synthesis of p-nitrophenyl 2-acetamido-2-deoxy-b-dgalacto-hexodialdo-1,5-pyranoside (2) using the galactose oxidase from Dactylium dendroides in a batch reactor was developed. Enzymatic recognition of this aldehyde and the respective uronic acid 3 obtained by NaClO2 oxidation was studied using a set of 36 fungal b-N-acetylhexosaminidases from Acremonium, Aspergillus, Penicillium and Talaromyces genera. The aldehyde 2 was readily hydrolysed by all tested b-Nacetylhexosaminidases but neither the uronic acid 3 nor its methyl ester 4 were accepted. Molecular modelling with docking into the active centre of the b-Nacetylhexosaminidase from Aspergillus oryzae revealed that the aldehyde 2 is processed as a C-6 geminal diol by the enzyme
  • A high-yield preparatory procedure for the synthesis of p-nitrophenyl 2-acetamido-2-deoxy-b-dgalacto-hexodialdo-1,5-pyranoside (2) using the galactose oxidase from Dactylium dendroides in a batch reactor was developed. Enzymatic recognition of this aldehyde and the respective uronic acid 3 obtained by NaClO2 oxidation was studied using a set of 36 fungal b-N-acetylhexosaminidases from Acremonium, Aspergillus, Penicillium and Talaromyces genera. The aldehyde 2 was readily hydrolysed by all tested b-Nacetylhexosaminidases but neither the uronic acid 3 nor its methyl ester 4 were accepted. Molecular modelling with docking into the active centre of the b-Nacetylhexosaminidase from Aspergillus oryzae revealed that the aldehyde 2 is processed as a C-6 geminal diol by the enzyme (en)
  • Byla vyvinuta vysoce účinná metoda pro syntézu 2-acetamido-2-deoxy-b-D-galakto-hexodialdo-1,5-pyranosidu (látka 2) s použitím galaktosaoxidasy z Dactylium dendroides a vsádkového reaktoru. Enzymatické rozpoznání tohoto aldehydu a též odpovídající kyseliny uronové (látka 3) získané oxidací NaClO2 bylo studováno na souboru 36 plísňových beta-N-acetylhexosaminidas z druhů Acremonium, Penicillium a Talaromyces. Aldehyd 2 byl snadno hydrolyzován všemi testovanými enzymy, ale ani kyselina uronová 3 ani její methyl ester nebyly akceptovány. Molekulární modelování do struktury aktivního centra hexosaminidasy z Aspergillus oryzae odhalilo, že aldehyd 2 je pravděpodobně enzymem zpracováván ve formě C-6 geminálního diolu (cs)
Title
  • Combined Application of Galactose Oxidase and Beta-N-Acetylhexosaminidase in the Synthesis of Complex Immunoactive N-Acetyl-D-galactosaminides
  • Combined Application of Galactose Oxidase and Beta-N-Acetylhexosaminidase in the Synthesis of Complex Immunoactive N-Acetyl-D-galactosaminides (en)
  • Použití galaktosaoxidasy v kombinaci s beta-N-acetylhexosaminidasou pro syntézu komplexních imunoaktivních N-acetyl-D-galaktosaminidů (cs)
skos:prefLabel
  • Combined Application of Galactose Oxidase and Beta-N-Acetylhexosaminidase in the Synthesis of Complex Immunoactive N-Acetyl-D-galactosaminides
  • Combined Application of Galactose Oxidase and Beta-N-Acetylhexosaminidase in the Synthesis of Complex Immunoactive N-Acetyl-D-galactosaminides (en)
  • Použití galaktosaoxidasy v kombinaci s beta-N-acetylhexosaminidasou pro syntézu komplexních imunoaktivních N-acetyl-D-galaktosaminidů (cs)
skos:notation
  • RIV/61388971:_____/05:00022301!RIV06-AV0-61388971
http://linked.open.../vavai/riv/strany
  • 997;1006
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA203/04/1045), Z(AV0Z50200510), Z(MSM6007665808)
http://linked.open...iv/cisloPeriodika
  • -
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 515698
http://linked.open...ai/riv/idVysledku
  • RIV/61388971:_____/05:00022301
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • galactose oxidase; glycosylation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [116A64303E0E]
http://linked.open...i/riv/nazevZdroje
  • Advanced Synthesis & Catalysis
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 347
http://linked.open...iv/tvurceVysledku
  • Bezouška, Karel
  • Elling, L.
  • Křen, Vladimír
  • Křenek, Karel
  • Kuzma, Marek
  • Ettrich, R.
  • Fialová, Pavla
  • Rauvolfová, Jana
  • Namdjou, D.-J.
  • Přikrylová, Věra
http://linked.open...n/vavai/riv/zamer
issn
  • 1615-4150
number of pages
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