Isozymes (also known as isoenzymes or more generally as Multiple forms of enzymes) are enzymes that differ in amino acid sequence but catalyze the same chemical reaction. These enzymes usually display different kinetic parameters (e.g. different KM values), or different regulatory properties. The existence of isozymes permits the fine-tuning of me...
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Synonym for isoenzyme ... <biochemistry> Variants of enzymes that catalyse the same reaction, but owing to differences in amino acid sequence can be distinguished by techniques such as electrophoresis or isoelectric focusing. ... Different tissues often have different isoenzymes. The sequence differences generally confer different enzyme kine...
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(i´so-zīm) any of several forms of an enzyme that all catalyze the same reaction but may differ in reaction rate, inhibition by various substances, electrophoretic mobility, or immunologic properties. Several enzymes, particularly alkaline phosphatase, lactate dehydrogenase, and creatine kinase, have clinical...
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See isoenzyme.
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Type: Term Pronunciation: ī′sō-zīm Synonyms: isoenzyme
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any of the genetically variant forms of certain enzymes that catalyze the same reaction but that may differ in activity, composition, or physical properties. Also called
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