http://www.cnr.it/ontology/cnr/individuo/prodotto/ID17459
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)
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- Simerska P., Kuzma M., Monti D., Riva S., Mackova M., Kren V. (literal)
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- ISI Web of Science (WOS) (literal)
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- 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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