Isoenzymes of aspartate aminotransferase
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document in English
biology
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published 25/09/2008
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level : Advanced
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SummaryThe continued production of protein-based medicines and chemically-engineered enzymatic products necessitates further information about protein structure and function. An enzyme in a cell can have many functions or loci. To account for slight differences in reaction products or locations, an enzyme can exhibit different forms, or isoenzymes.1 One such enzyme, and an enzyme that is widely studied and documented, is aspartate aminotransferase (AAT). AAT has a wide variety of uses in a cell and is highly conserved across kingdoms. In fact, scientists have found thermophiles with AATs that can function normally up to 80 oC that contain the same active-site sequences as AATs that function normally at room temperature. AAT catalyses transamination in important Krebs’ Cycle intermediates. This particular isoenzyme of AAT is therefore important in the proper function of metabolic respiration and in the energetic needs of organisms.
Table of Contents
- Introduction.
- Results.
- Discussion.
- Methods.
- Conclusion.
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