Definition of Isoenzyme

1. Noun. (enzyme) Any of a group of enzymes that catalyze the same reaction but have different structures and physical, biochemical and immunological properties. ¹

¹ Source: wiktionary.com

Definition of Isoenzyme

1. [n -S]

Medical Definition of Isoenzyme

1. 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. (15 Oct 1997)

Lexicographical Neighbors of Isoenzyme

isoelectric focusing
isoelectric line
isoelectric period
isoelectric point
isoelectric zone
isoelectronic
isoemissive
isoenergetic
isoenergy
isoenthalpic
isoenthalps
isoentrope
isoentropes
isoentropic
isoenzymatic
isoenzyme (current term)
isoenzyme electrophoresis
isoenzymes
isoenzymic
isoepoxydon dehydrogenase
isoerythrolysis
isoestragole
isoetharine
isoexcitation
isofemale
isoferroplatinum
isoflavane
isoflavanes
isoflavone
isoflavone-5-O-methyltransferase

Literary usage of Isoenzyme

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings of the Society for Experimental Biology and Medicine (1903)
"Figure 3 shows the electrophoretic mobility of the alkaline phosphatase isoenzyme in the human pancreatic fistula fluid compared to mobilities of isoenzymes ..."

2. A Lifelong Passion: Nicholas and Alexandra: Their Own Story by Andrei Maylunas (2005)
"isoenzyme(s) from one of these classes, class Mu, is dominantly inherited and can be determined by activity measurements directed towards the substrate ..."

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