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Thermal adaptation of α-amylases: a review
1Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla, 171005, India.
Abstract:
The temperature adaptation of α-amylase can be gained by different adjustments in protein structure with consecutive effects on the stability and flexibility of the protein. In this review, meso, thermo and cold-active α-amylases have been compared with respect to their structure and intramolecular interactions. With decrease in temperature, the number of ionic interactions also decreases, leading to greater flexibility of proteins. It has also been observed that the proline and arginine content is higher in thermophilic amylases as compared to meso and psychrophilic amylases, increasing the rigidity and structural stability of protein molecule.
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