Abstract:Immobilization of D-amino acid dehydrogenase (DAADH) by the assembly of
peptide linker was studied for biosynthesis of D-phenylalanine which is
an unnatural amino acid. Hybrid material of ZIF-8 and reduced graphene
oxide (RGO) were applied for the immobilization of DAADH from
Ureibacillus thermosphaericus. Activity of DAADH/ZIF-8/RGO was enhanced
by 1.65 folds than free enzyme. DAADH/ZIF-8/RGO remained 53.4% of its
initial activity at 50 °C for 10 h. At the same time the free enzyme was
inactivated. The result… Show more
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