One of various structurally related forms of an enzyme, each having the same mechanism but with differing chemical, physical, or immunologically characteristics. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973
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-kinetic parameters that can sometimes be interpreted as fine-tuning to the specific requirements of the cell types in which a particular isoenzyme is found.
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(i;so-en;z1mz) Enzymes, usually produced by different organs, that catalyze the same reaction but that differ from each other in amino acid composition.
Found on
http://www.mhhe.com/biosci/abio/glossary.mhtml
No exact match found.
