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Application of polyethylene glycol-modified enzymes in biotechnological processes: organic solvent-soluble enzymes

Tipo de material: TextoTextoSeries ; Trends in Biotechnology, 4(7), p.190-194, 1986Trabajos contenidos:
  • Inada, Y
  • Takahashi, K
  • Yoshimoto,T
  • Ajima, A
Recursos en línea: Resumen: A new approach in biotechnological processes is to use enzymes modified with polyethylene glycol which has both hydrophilic and hydrophobic properties. The modified enzymes are soluble in organic solvents such as benzene, toluene and chlorinated hydrocarbons and exhibit high enzymic activities in these organic solvents. Modified hydrolytic enzymes catalysed the reverse reaction of hydrolysis in organic solvents: formation of acid-amide bonds by modified chymotrypsin, and ester synthesis and ester exchange reactions by modified lipase. Modified catalase and modified peroxidase efficiently catalyse their respective reactions in organic solvents. The results of this research indicate great potential for applications in the fields of biotechnology and enzymology.
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A new approach in biotechnological processes is to use enzymes modified with polyethylene glycol which has both hydrophilic and hydrophobic properties. The modified enzymes are soluble in organic solvents such as benzene, toluene and chlorinated hydrocarbons and exhibit high enzymic activities in these organic solvents. Modified hydrolytic enzymes catalysed the reverse reaction of hydrolysis in organic solvents: formation of acid-amide bonds by modified chymotrypsin, and ester synthesis and ester exchange reactions by modified lipase. Modified catalase and modified peroxidase efficiently catalyse their respective reactions in organic solvents. The results of this research indicate great potential for applications in the fields of biotechnology and enzymology.

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