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Statements

Subject Item
n2:RIV%2F61388971%3A_____%2F08%3A00313718%21RIV09-AV0-61388971
rdf:type
n13:Vysledek skos:Concept
dcterms:description
A complex trisaccharide D-GalpNAcA-(1-4)D-GlpNAc-(1-4)-D-ManpNAc (3) was prepared in a good yield (35percent) in a transglycosylation reaction catalyzed by N-acetylhexosaminidase from Talaromyces flavus using p-nitrophenyl-2-acetamido-2-deoxy D-galacto-hexodialdo-1,5-pyranoside (1) as a donor followed by the in situ oxidation of the aldehyde functionality by NaClO2. The disacharide D-GlcpNAc-(1-4)-D-ManpNAc (2) was used as galactosyl acceptor. A disaccharide D-GalpNAcA-(1-4)-D-GlcpNAc (4, 39percent) originated as a by-product in the reaction. Oligosaccharides comprising a carboxy moiety at C-6 are shown to be very efficient ligands to natural killer cell activation receptors, particularly to human receptor CD69 A complex trisaccharide D-GalpNAcA-(1-4)D-GlpNAc-(1-4)-D-ManpNAc (3) was prepared in a good yield (35percent) in a transglycosylation reaction catalyzed by N-acetylhexosaminidase from Talaromyces flavus using p-nitrophenyl-2-acetamido-2-deoxy D-galacto-hexodialdo-1,5-pyranoside (1) as a donor followed by the in situ oxidation of the aldehyde functionality by NaClO2. The disacharide D-GlcpNAc-(1-4)-D-ManpNAc (2) was used as galactosyl acceptor. A disaccharide D-GalpNAcA-(1-4)-D-GlcpNAc (4, 39percent) originated as a by-product in the reaction. Oligosaccharides comprising a carboxy moiety at C-6 are shown to be very efficient ligands to natural killer cell activation receptors, particularly to human receptor CD69 V dobrém výtěžku (35procent) byl připraven komplexní trisacharid D-GalpNAcA-(1-4)D-GlcpNAc-(1-4)-D-ManpNAc (3) transglykosilační reakcí katalizovanou N-acetylhexosaminidasou z Talaromyces flavus za použití p-nitrophenyl-2-acetamido-2-deoxy-D-galacto-hexodialdo-1,5-pyranosidu (1) jako donoru, následovanou in situ oxidací aldehydické funkce NaClO2. Disacharid D-GlcpNAc-(1-4)-D-ManpNAc (2) byl použit jako glykosilační akceptor. Disacharid D-GalpNAcA-(1-4)-D-GlcpNAc (4, 39 procent) vznikal jako vedlejší produkt reakce. Bylo ukázáno, že oligosacharidy obsahující karboxylovou funkční skupinu na pozici C-6 jsou dobré ligandy aktivačních receptorů NK buněk, především receptoru CD69
dcterms:title
Trojice N-Acetylhexosaminů v jediné molekule: Chemoenzymatické zavádění 2-acetamido-2-deoxy-B-D-galactopyranosyluronové kyseliny do komplexního oligosacharidu N-Acetylhexosamine triad in one molecule: Chemoenzymatic introduction of 2-acetamido-2-deoxy-B-D-galactopyranosyluronic acid residue into a complex oligosacharide N-Acetylhexosamine triad in one molecule: Chemoenzymatic introduction of 2-acetamido-2-deoxy-B-D-galactopyranosyluronic acid residue into a complex oligosacharide
skos:prefLabel
Trojice N-Acetylhexosaminů v jediné molekule: Chemoenzymatické zavádění 2-acetamido-2-deoxy-B-D-galactopyranosyluronové kyseliny do komplexního oligosacharidu N-Acetylhexosamine triad in one molecule: Chemoenzymatic introduction of 2-acetamido-2-deoxy-B-D-galactopyranosyluronic acid residue into a complex oligosacharide N-Acetylhexosamine triad in one molecule: Chemoenzymatic introduction of 2-acetamido-2-deoxy-B-D-galactopyranosyluronic acid residue into a complex oligosacharide
skos:notation
RIV/61388971:_____/08:00313718!RIV09-AV0-61388971
n3:aktivita
n11:P n11:Z
n3:aktivity
P(1M0505), P(GA203/05/0172), P(LC06010), P(OC 170), P(OC D25.002), Z(AV0Z50200510), Z(MSM0021620808)
n3:cisloPeriodika
2-4
n3:dodaniDat
n17:2009
n3:domaciTvurceVysledku
n9:1927469 n9:5894190 n9:3895831 n9:7203993 n9:8764158 n9:8732124
n3:druhVysledku
n7:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
381437
n3:idVysledku
RIV/61388971:_____/08:00313718
n3:jazykVysledku
n18:eng
n3:klicovaSlova
talaromyces flavus; B-N-acetylhexosaminidase; galactopyranosiduronic acid
n3:klicoveSlovo
n4:talaromyces%20flavus n4:galactopyranosiduronic%20acid n4:B-N-acetylhexosaminidase
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[4B0851A28204]
n3:nazevZdroje
Journal of Molecular Catalysis B-Enzymatic
n3:obor
n15:EE
n3:pocetDomacichTvurcuVysledku
6
n3:pocetTvurcuVysledku
8
n3:projekt
n6:1M0505 n6:LC06010 n6:GA203%2F05%2F0172 n6:OC%20170 n6:OC%20D25.002
n3:rokUplatneniVysledku
n17:2008
n3:svazekPeriodika
50
n3:tvurceVysledku
Bojarová, Pavla Křen, Vladimír Bezouška, Karel Petrásková, Lucie Křenek, Karel Namdjou, D.-J. Elling, L. Kuzma, Marek
n3:wos
000252487300004
n3:zamer
n5:AV0Z50200510 n5:MSM0021620808
s:issn
1381-1177
s:numberOfPages
5