About: Thermostable β-cyclodextrin conjugates of two similar plant amine oxidases and their properties     Goto   Sponge   NotDistinct   Permalink

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Description
  • Navázáním zbytků cyklodextrinu k molekule rostlinné aminoxidasy byl připraven modifikovaný enzym, který vykazoval při nezměněné specifitě vysokou odolnost vůči teplotní inaktivaci. (cs)
  • Syntheses of conjugates of garden pea (Pisum sativum) and grass pea (Lathyrus sativus) amine oxidases (PSAO and GPAO respectively) with BCD (â-cyclodextrin), performed to improve the thermostability of the enzymes, are described in the present study. Periodate-oxidized BCD reacted with the enzyme proteins via free primary amino groups in a buffered solution containingcyanoborohydride as a reductant. Although the specific activities of PSAO and GPAO partially decreased after modification, Km values determined for the best diamine substrates remained almost unchanged. Both the BCD conjugates could be incubated at 65 ◦C for 30 min without considerable inactivation, and the residual activity remained detectable even after incubation at 75 ◦C. The conjugates contained approx. 30% of neutral sugars. Molecular masses of BCD-PSAO and BCD-GPAO (180 kDa), as estimated by gelpermeation chromatography, were higher compared with the value of 145 kDa for the native enzymes. Thiswas in good corre
  • Syntheses of conjugates of garden pea (Pisum sativum) and grass pea (Lathyrus sativus) amine oxidases (PSAO and GPAO respectively) with BCD (â-cyclodextrin), performed to improve the thermostability of the enzymes, are described in the present study. Periodate-oxidized BCD reacted with the enzyme proteins via free primary amino groups in a buffered solution containingcyanoborohydride as a reductant. Although the specific activities of PSAO and GPAO partially decreased after modification, Km values determined for the best diamine substrates remained almost unchanged. Both the BCD conjugates could be incubated at 65 ◦C for 30 min without considerable inactivation, and the residual activity remained detectable even after incubation at 75 ◦C. The conjugates contained approx. 30% of neutral sugars. Molecular masses of BCD-PSAO and BCD-GPAO (180 kDa), as estimated by gelpermeation chromatography, were higher compared with the value of 145 kDa for the native enzymes. Thiswas in good corre (en)
Title
  • Thermostable β-cyclodextrin conjugates of two similar plant amine oxidases and their properties
  • Termostabilní β-cyklodextrinové deriváty dvou podobných rostlinných aminoxidas a jejich vlastnosti (cs)
  • Thermostable β-cyclodextrin conjugates of two similar plant amine oxidases and their properties (en)
skos:prefLabel
  • Thermostable β-cyclodextrin conjugates of two similar plant amine oxidases and their properties
  • Termostabilní β-cyklodextrinové deriváty dvou podobných rostlinných aminoxidas a jejich vlastnosti (cs)
  • Thermostable β-cyclodextrin conjugates of two similar plant amine oxidases and their properties (en)
skos:notation
  • RIV/61989592:15310/05:00002262!RIV06-MSM-15310___
http://linked.open.../vavai/riv/strany
  • 77-84
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(ME 664), Z(MSM 153100013)
http://linked.open...iv/cisloPeriodika
  • 1
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
  • 546732
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/05:00002262
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • DIAMINE OXIDASE; PEA-SEEDLINGS; ACTIVE-SITES; PROTEINS; MECHANISM; GLYCOSYLATION; STABILIZATION; INHIBITOR; STABILITY; CLONING (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [07BCD60E1C00]
http://linked.open...i/riv/nazevZdroje
  • Biotechnology and Applied Biochemistry
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
  • 41
http://linked.open...iv/tvurceVysledku
  • Kopečný, David
  • Šebela, Marek
  • Havliš, Jan
  • Lamplot, Zbyněk
  • Shevchenko, Andrej
  • Thomas, Henrik
http://linked.open...n/vavai/riv/zamer
issn
  • 0885-4513
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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