Transglycosylation activity of α-D-galactosidase from Trichoderma reesei. An investigation of the active site. Eneyskaya, E., Golubev, A., Kachurin, A., Savel'ev, A., & Neustroev, K. Carbohydrate Research, 305(1):83-91, 1997. cited By 37![Transglycosylation activity of α-D-galactosidase from Trichoderma reesei. An investigation of the active site [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The transglycosylation reaction catalyzed by α-D-galactosidase from the mycelial fungus Trichoderma reesei was studied using p-nitrophenyl α-D- galactopyranoside (PNPG). An aliphatic alcohol or the substrate itself can be an acceptor of the galactose residue in this reaction. The transglycosylation products were identified as alkyl galactosides in the case of alcohols or as galactobioside and galactotrioside in the case of PNPG. The transglycosylation rates follow a first-order equation with respect to the alcohol concentrations except for methanol. Affinities of some substrates were estimated from their K(i) values in the reaction of the enzyme with PNPG. Transglycosylation of the substrate suggests a model for the enzyme active center. It is proposed that the active center includes two galactose- binding sites and a hydrophobic site.
@ARTICLE{Eneyskaya199783,
author={Eneyskaya, E.V. and Golubev, A.M. and Kachurin, A.M. and Savel'ev, A.N. and Neustroev, K.N.},
title={Transglycosylation activity of α-D-galactosidase from Trichoderma reesei. An investigation of the active site},
journal={Carbohydrate Research},
year={1997},
volume={305},
number={1},
pages={83-91},
doi={10.1016/S0008-6215(97)00229-2},
note={cited By 37},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-0031392412&doi=10.1016%2fS0008-6215%2897%2900229-2&partnerID=40&md5=972b4f2c3b2cbb903cf7bb6e410aa2de},
affiliation={Molecular Division, Petersburg Nuclear Physics Institute, Gatchina, St. Petersburg 188350, Russian Federation; Department of Biophysics, St. Petersburg Technical University, 29 Polytechnicheskaya str., St. Petersburg 195251, Russian Federation},
abstract={The transglycosylation reaction catalyzed by α-D-galactosidase from the mycelial fungus Trichoderma reesei was studied using p-nitrophenyl α-D- galactopyranoside (PNPG). An aliphatic alcohol or the substrate itself can be an acceptor of the galactose residue in this reaction. The transglycosylation products were identified as alkyl galactosides in the case of alcohols or as galactobioside and galactotrioside in the case of PNPG. The transglycosylation rates follow a first-order equation with respect to the alcohol concentrations except for methanol. Affinities of some substrates were estimated from their K(i) values in the reaction of the enzyme with PNPG. Transglycosylation of the substrate suggests a model for the enzyme active center. It is proposed that the active center includes two galactose- binding sites and a hydrophobic site.},
author_keywords={α-D-Galactosidase; Alkyl galactosides; P-Nitrophenyl α-D-galactopyranoside; Transglycosylation products; Trichoderma reesei},
}
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