Unique transglycosylation potential of extracellular alpha-D-galactosidase from Talaromyces flavus (Articolo in rivista)

Type
Label
  • Unique transglycosylation potential of extracellular alpha-D-galactosidase from Talaromyces flavus (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Simerska P., Kuzma M., Monti D., Riva S., Mackova M., Kren V. (2006)
    Unique transglycosylation potential of extracellular alpha-D-galactosidase from Talaromyces flavus
    in Journal of molecular catalysis. B, Enzymatic (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Simerska P., Kuzma M., Monti D., Riva S., Mackova M., Kren V. (literal)
Pagina inizio
  • 128 (literal)
Pagina fine
  • 134 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 39 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute of Microbiology, Academy of Sciences of the Czech Republic, V?denska 1083, CZ 142 20 Prague 4, Czech Republic. Istituto di Chimica del Riconoscimento Molecolare, CNR, Via Mario Bianco 9, I 201 31 Milan, Italy. Department of Biochemistry and Microbiology, Institute of Chemical Technology, Technicka 5, CZ 168 20 Prague 6, Czech Republic (literal)
Titolo
  • Unique transglycosylation potential of extracellular alpha-D-galactosidase from Talaromyces flavus (literal)
Abstract
  • The transglycosylation potential of the extracellular alpha-D-galactosidase from the filamentous fungus Talaromyces flavus CCF 2686, chosen as the best enzyme from the screening, was investigated using a series of sterically hindered alcohols (primary, secondary and tertiary) as galactosyl acceptors. Nine alkyl alpha-D-galactopyranosides derived from the following alcohols - tert-butyl alcohol, 2-methyl-2-butyl alcohol, 2-methyl-1-propyl alcohol, 2,2,2-trifluoroethyl alcohol, 2-propyn-1-ol, n-pentyl alcohol, 3,5-dihydroxybenzyl alcohol, 1-phenylethyl alcohol and 1,4-dithio-dl-threitol - were prepared on a semi-preparative scale. This demonstrates a broad synthetic potential of the T. flavus alpha-D-galactosidase that has not been observed with another enzyme tested. Moreover, this enzyme exhibits good transglycosylation yields (6-34%). The enzymatic synthesis of tert-butyl alpha-D-galactopyranoside by transglycosylation was studied in detail. (literal)
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