isoenzyme
/ˌaɪsoʊˈɛnzaɪm/
noun
- One of a group of enzymes that catalyze the same chemical reaction but differ in their structure, properties, or where they are found in the body.
- Doctors measure the isoenzyme creatine kinase-MB to diagnose a heart attack.
- The presence of certain isoenzymes in the blood can indicate tissue damage.
- Different isoenzymes of alcohol dehydrogenase exist in the liver and the stomach.