The catalytic efficiency of many enzymes depends on pH. Chymotrypsin shows a maximum value of kaKM at pH 8. Detailed analysis shows that kat increases rapidly between pH 6 and 7 and remains constant at higher pH. KM increases rapidly between pH 8 and 10. Suggest explanations for these observations.

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter17: Metabolism: An Overview
Section: Chapter Questions
Problem 6P: Why Do Anabolic and Catabolic Pathways Differ? Why is the pathway for the biosynthesis of a...
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The catalytic efficiency of many enzymes depends on pH.
Chymotrypsin shows a maximum value of kaKM at pH 8. Detailed
analysis shows that kat increases rapidly between pH 6 and 7 and
remains constant at higher pH. KM increases rapidly between pH 8
and 10. Suggest explanations for these observations.
Transcribed Image Text:The catalytic efficiency of many enzymes depends on pH. Chymotrypsin shows a maximum value of kaKM at pH 8. Detailed analysis shows that kat increases rapidly between pH 6 and 7 and remains constant at higher pH. KM increases rapidly between pH 8 and 10. Suggest explanations for these observations.
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