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A certain enzyme has a glutamic acid residue in its active site that is responsible for the enzyme's activity. However, any given enzyme will only be active if the side chain of this residue is deprotonated. At what pH will 99% of the enzyme molecules in a sample become active (i.e. what is the lowest possible pH required for 99% of the enzyme molecules to be active)? The pk of the side chain of glutamic acid is 4.3. Question 20 Identify the N-terminal residue in the peptide below. -CH- CH, SH N-CH-C-N-CH-C-N-CH H CH. N-CH- H CH. N-CH-COOH H CH, H CH, ÇH čOOH CH, CH "NH

A certain enzyme has a glutamic acid residue in its active site that is responsible for the enzyme's activity. However, any given enzyme will only be active if the side chain of this residue is deprotonated. At what pH will 99% of the enzyme molecules in a sample become active (i.e. what is the lowest possible pH required for 99% of the enzyme molecules to be active)? The pk of the side chain of glutamic acid is 4.3. Question 20 Identify the N-terminal residue in the peptide below. -CH- CH, SH N-CH-C-N-CH-C-N-CH H CH. N-CH- H CH. N-CH-COOH H CH, H CH, ÇH čOOH CH, CH "NH

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A certain enzyme has a glutamic acid residue in its active site that is responsible for the enzyme's activity. However, any given enzyme will only be active if the side chain of this residue is deprotonated. At what pH will 99% of the enzyme molecules in a sample become active (i.e. what is the lowest possible pH required for 99% of the enzyme molecules to be active)? The pk of the side chain of glutamic acid is 4.3. Question 20 Identify the N-terminal residue in the peptide below. N-CH-C-N-CH-C-N- H C. CH CH, CH *NH HN'-CH- H CH, H CH, ÇH čOOH HH H CH. H CH, SH
Transcribed Image Text:A certain enzyme has a glutamic acid residue in its active site that is responsible for the enzyme's activity. However, any given enzyme will only be active if the side chain of this residue is deprotonated. At what pH will 99% of the enzyme molecules in a sample become active (i.e. what is the lowest possible pH required for 99% of the enzyme molecules to be active)? The pk of the side chain of glutamic acid is 4.3. Question 20 Identify the N-terminal residue in the peptide below. N-CH-C-N-CH-C-N- H C. CH CH, CH *NH HN'-CH- H CH, H CH, ÇH čOOH HH H CH. H CH, SH
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