1. enzymes that differ in amino acid sequence but catalyze the same chemical reaction
Usage: biochemistry; plural form

Examples

• The laboratory analyzed different isozymes of lactate dehydrogenase in the blood sample.
• Isozymes allow cells to fine-tune enzyme activity in different tissues.
• Heart muscle and skeletal muscle contain distinct isozymes of creatine kinase.
• Researchers studied how isozymes contribute to metabolic diversity across species.
• The presence of specific isozymes can help diagnose certain medical conditions.
• Plants often produce isozymes that function optimally under different environmental conditions.