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Medical Term:


Pronunciation: ī′sō-en′zīm

Definition: An enzyme (one of a group) that catalyze the same reaction but may be differentiated by variations in physical properties, such as isoelectric point, electrophoretic mobility, kinetic parameters, or modes of regulation, lactate dehydrogenase, a tetramer composed of varying amounts of α and β subunits (4α, 3α + 1β, 2α + 2β, 1α + 3β, and 4β).

Synonym(s): isozyme