Friday, March 04, 2005

Isomerase

Any one of a class of enzymes that catalyze reactions involving a structural rearrangement of a molecule. Alanine racemase, for example, catalyzes the conversion of L-alanine into its isomeric (mirror-image) form, D-alanine. An isomerase called mutarotase catalyzes the conversion of a-d-glucose into b-d-glucose. cf. ligase, lyase.

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