7.18 C-X Bond Formation : Transaminases as Chiral Catalysts: Mechanism, Engineering, and Applications

• Enantiomerically pure amines and amino acids are important building blocks in academic research as well as in industrial-scale chemical production. Transaminases are versatile enzymes providing access to such compounds of high enantiomeric excess. This chapter illustrates the available strategies with transaminases such as kinetic resolution or stereoselective synthesis and highlights many successful examples for amino acid and chiral amines synthesis. There are some known challenges linked to the use of transaminases, for example in terms of unfavorable equilibria and inhibition. Several successful examples to overcome these limitations are presented. Also, the classification of transaminases, mechanistic details, and various strategies for optimization are discussed.

Ämnesord

NATURVETENSKAP  -- Kemi -- Annan kemi (hsv//swe)

NATURAL SCIENCES  -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)

Nyckelord

Amino acids

Aminotransferase

Chiral amines

Enzyme engineering

Equilibrium displacement

Product inhibition

Pyridoxal 5'-phosphate

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