Fundamentals of Biochemistry: Life at the Molecular Level 5th Edition

Published by Wiley
ISBN 10: 1118918401
ISBN 13: 978-1-11891-840-1

Chapter 11 - Enzymatic Catalysis - Exercises - Page 359: 7

Answer

A ten-fold increase in the rate of teh reaction at 25°C leads to a decrease of approximately 5.7 kJ/mol in the activation free energy. In case of the staphylococcal nuclease the rate of enhancement of the reaction on the order of 1014 will lead to a decrease of about 14 * 5.7 = 80kJ/mol in the activation free energy. Therefore, staphylococcal nuclease decrease the Delta G++ approximately 80 kJ/mol.

Work Step by Step

A ten-fold increase in the rate of teh reaction at 25°C leads to a decrease of approximately 5.7 kJ/mol in the activation free energy. In case of the staphylococcal nuclease the rate of enhancement of the reaction on the order of 1014 will lead to a decrease of about 14 * 5.7 = 80kJ/mol in the activation free energy. Therefore, staphylococcal nuclease decrease the Delta G++ approximately 80 kJ/mol.
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