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Immobilized __________ was used to resolve racemic mixtures of aminoacids.

(a) hydantoinase

(b) aspartase

(c) histidase

(d) aminoacyclase

The question was posed to me by my school teacher while I was bunking the class.

I need to ask this question from Immobilized Enzymes topic in portion Immobilized Enzymes and their Uses of Enzyme Technology

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Right option is (d) aminoacyclase

For explanation I would say: Racemic mixtures of aminoacids may be resolved by using immobilized aminoacyclases.  Hydantoinase produces is specific to D-hydantoins which help in production aminoacids by forming D-carbamoyl aminoacids as an intermediate. Aspartase is used to produce aspartic acid from fumaric acid. Histidase used in the production from L-histidine from Achromobacter liquidum.

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